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Summary: XML Attrs | Inherited XML Attrs | Inherited Constants | Inherited Fields | Ctors | Methods | Protected Methods | Inherited Methods

# Switch

`public class Switch`
`` `` `` `` `extends CompoundButton` ``

java.lang.Object
↳ | android.view.View
| ↳ | android.widget.TextView
|  | ↳ | android.widget.Button
|  |  | ↳ | android.widget.CompoundButton
|  |  |  | ↳ | android.widget.Switch

A Switch is a two-state toggle switch widget that can select between two options. The user may drag the "thumb" back and forth to choose the selected option, or simply tap to toggle as if it were a checkbox. The `text` property controls the text displayed in the label for the switch, whereas the `off` and `on` text controls the text on the thumb. Similarly, the `textAppearance` and the related setTypeface() methods control the typeface and style of label text, whereas the `switchTextAppearance` and the related setSwitchTypeface() methods control that of the thumb.

`SwitchCompat` is a version of the Switch widget which runs on devices back to API 7.

See the Toggle Buttons guide.

## Summary

### XML attributes
`android:showText` | Whether to draw on/off text.
`android:splitTrack` | Whether to split the track and leave a gap for the thumb drawable.
`android:switchMinWidth` | Minimum width for the switch component.
`android:switchPadding` | Minimum space between the switch and caption text.
`android:switchTextAppearance` | TextAppearance style for text displayed on the switch thumb.
`android:textOff` | Text to use when the switch is in the unchecked/"off" state.
`android:textOn` | Text to use when the switch is in the checked/"on" state.
`android:textStyle` | Style (normal, bold, italic, bold|italic) for the text.
`android:thumb` | Drawable to use as the "thumb" that switches back and forth.
`android:thumbTextPadding` | Amount of padding on either side of text within the switch thumb.
`android:thumbTint` | Tint to apply to the thumb.
`android:thumbTintMode` | Blending mode used to apply the thumb tint.
`android:track` | Drawable to use as the "track" that the switch thumb slides within.
`android:trackTint` | Tint to apply to the track.
`android:trackTintMode` | Blending mode used to apply the track tint.
`android:typeface` | Typeface (normal, sans, serif, monospace) for the text.

### Inherited XML attributes
From class `android.widget.CompoundButton`
`android:button` | Drawable used for the button graphic (for example, checkbox and radio button).
`android:buttonTint` | Tint to apply to the button graphic.
`android:buttonTintMode` | Blending mode used to apply the button graphic tint.
From class `android.widget.TextView`
`android:allowUndo` | Whether undo should be allowed for editable text.
`android:autoLink` | Controls whether links such as urls and email addresses are automatically found and converted to clickable links.
`android:autoSizeMaxTextSize` | The maximum text size constraint to be used when auto-sizing text.
`android:autoSizeMinTextSize` | The minimum text size constraint to be used when auto-sizing text.
`android:autoSizePresetSizes` | Resource array of dimensions to be used in conjunction with `autoSizeTextType` set to `uniform`.
`android:autoSizeStepGranularity` | Specify the auto-size step size if `autoSizeTextType` is set to `uniform`.
`android:autoSizeTextType` | Specify the type of auto-size.
`android:autoText` | If set, specifies that this TextView has a textual input method and automatically corrects some common spelling errors.
`android:breakStrategy` | Break strategy (control over paragraph layout).
`android:bufferType` | Determines the minimum type that getText() will return.
`android:capitalize` | If set, specifies that this TextView has a textual input method and should automatically capitalize what the user types.
`android:cursorVisible` | Makes the cursor visible (the default) or invisible.
`android:digits` | If set, specifies that this TextView has a numeric input method and that these specific characters are the ones that it will accept.
`android:drawableBottom` | The drawable to be drawn below the text.
`android:drawableEnd` | The drawable to be drawn to the end of the text.
`android:drawableLeft` | The drawable to be drawn to the left of the text.
`android:drawablePadding` | The padding between the drawables and the text.
`android:drawableRight` | The drawable to be drawn to the right of the text.
`android:drawableStart` | The drawable to be drawn to the start of the text.
`android:drawableTint` | Tint to apply to the compound (left, top, etc.) drawables.
`android:drawableTintMode` | Blending mode used to apply the compound (left, top, etc.) drawables tint.
`android:drawableTop` | The drawable to be drawn above the text.
`android:editable` | If set, specifies that this TextView has an input method.
`android:editorExtras` | Reference to an `<input-extras>` XML resource containing additional data to supply to an input method, which is private to the implementation of the input method.
`android:elegantTextHeight` | Elegant text height, especially for less compacted complex script text.
`android:ellipsize` | If set, causes words that are longer than the view is wide to be ellipsized instead of broken in the middle.
`android:ems` | Makes the TextView be exactly this many ems wide.
`android:enabled` | Specifies whether the widget is enabled.
`android:fallbackLineSpacing` | Whether to respect the ascent and descent of the fallback fonts that are used in displaying the text.
`android:firstBaselineToTopHeight` | Distance from the top of the TextView to the first text baseline.
`android:fontFamily` | Font family (named by string or as a font resource reference) for the text.
`android:fontFeatureSettings` | Font feature settings.
`android:fontVariationSettings` | Font variation settings.
`android:freezesText` | If set, the text view will include its current complete text inside of its frozen icicle in addition to meta-data such as the current cursor position.
`android:gravity` | Specifies how to align the text by the view's x- and/or y-axis when the text is smaller than the view.
`android:height` | Makes the TextView be exactly this tall.
`android:hint` | Hint text to display when the text is empty.
`android:hyphenationFrequency` | Frequency of automatic hyphenation.
`android:imeActionId` | Supply a value for `EditorInfo.actionId` used when an input method is connected to the text view.
`android:imeActionLabel` | Supply a value for `EditorInfo.actionLabel` used when an input method is connected to the text view.
`android:imeOptions` | Additional features you can enable in an IME associated with an editor to improve the integration with your application.
`android:includeFontPadding` | Leave enough room for ascenders and descenders instead of using the font ascent and descent strictly.
`android:inputMethod` | If set, specifies that this TextView should use the specified input method (specified by fully-qualified class name).
`android:inputType` | The type of data being placed in a text field, used to help an input method decide how to let the user enter text.
`android:justificationMode` | Mode for justification.
`android:lastBaselineToBottomHeight` | Distance from the bottom of the TextView to the last text baseline.
`android:letterSpacing` | Text letter-spacing.
`android:lineHeight` | Explicit height between lines of text.
`android:lineSpacingExtra` | Extra spacing between lines of text.
`android:lineSpacingMultiplier` | Extra spacing between lines of text, as a multiplier.
`android:lines` | Makes the TextView be exactly this many lines tall.
`android:linksClickable` | If set to false, keeps the movement method from being set to the link movement method even if autoLink causes links to be found.
`android:marqueeRepeatLimit` | The number of times to repeat the marquee animation.
`android:maxEms` | Makes the TextView be at most this many ems wide.
`android:maxHeight` | Makes the TextView be at most this many pixels tall.
`android:maxLength` | Set an input filter to constrain the text length to the specified number.
`android:maxLines` | Makes the TextView be at most this many lines tall.
`android:maxWidth` | Makes the TextView be at most this many pixels wide.
`android:minEms` | Makes the TextView be at least this many ems wide.
`android:minHeight` | Makes the TextView be at least this many pixels tall.
`android:minLines` | Makes the TextView be at least this many lines tall.
`android:minWidth` | Makes the TextView be at least this many pixels wide.
`android:numeric` | If set, specifies that this TextView has a numeric input method.
`android:password` | Whether the characters of the field are displayed as password dots instead of themselves.
`android:phoneNumber` | If set, specifies that this TextView has a phone number input method.
`android:privateImeOptions` | An addition content type description to supply to the input method attached to the text view, which is private to the implementation of the input method.
`android:scrollHorizontally` | Whether the text is allowed to be wider than the view (and therefore can be scrolled horizontally).
`android:selectAllOnFocus` | If the text is selectable, select it all when the view takes focus.
`android:shadowColor` | Place a blurred shadow of text underneath the text, drawn with the specified color.
`android:shadowDx` | Horizontal offset of the text shadow.
`android:shadowDy` | Vertical offset of the text shadow.
`android:shadowRadius` | Blur radius of the text shadow.
`android:singleLine` | Constrains the text to a single horizontally scrolling line instead of letting it wrap onto multiple lines, and advances focus instead of inserting a newline when you press the enter key.
`android:text` | Text to display.
`android:textAllCaps` | Present the text in ALL CAPS.
`android:textAppearance` | Base text color, typeface, size, and style.
`android:textColor` | Text color.
`android:textColorHighlight` | Color of the text selection highlight.
`android:textColorHint` | Color of the hint text.
`android:textColorLink` | Text color for links.
`android:textCursorDrawable` | Reference to a drawable that will be drawn under the insertion cursor.
`android:textFontWeight` | Weight for the font used in the TextView.
`android:textIsSelectable` | Indicates that the content of a non-editable text can be selected.
`android:textScaleX` | Sets the horizontal scaling factor for the text.
`android:textSelectHandle` | Reference to a drawable that will be used to display a text selection anchor for positioning the cursor within text.
`android:textSelectHandleLeft` | Reference to a drawable that will be used to display a text selection anchor on the left side of a selection region.
`android:textSelectHandleRight` | Reference to a drawable that will be used to display a text selection anchor on the right side of a selection region.
`android:textSize` | Size of the text.
`android:textStyle` | Style (normal, bold, italic, bold|italic) for the text.
`android:typeface` | Typeface (normal, sans, serif, monospace) for the text.
`android:width` | Makes the TextView be exactly this wide.
From class `android.view.View`
`android:accessibilityHeading` | Whether or not this view is a heading for accessibility purposes.
`android:accessibilityLiveRegion` | Indicates to accessibility services whether the user should be notified when this view changes.
`android:accessibilityPaneTitle` | The title this view should present to accessibility as a pane title.
`android:accessibilityTraversalAfter` | Sets the id of a view after which this one is visited in accessibility traversal.
`android:accessibilityTraversalBefore` | Sets the id of a view before which this one is visited in accessibility traversal.
`android:alpha` | alpha property of the view, as a value between 0 (completely transparent) and 1 (completely opaque).
`android:autofillHints` | Describes the content of a view so that a autofill service can fill in the appropriate data.
`android:autofilledHighlight` | Drawable to be drawn over the view to mark it as autofilled May be a reference to another resource, in the form "`@[+][package:]type/name`" or a theme attribute in the form "`?[package:]type/name`".
`android:background` | A drawable to use as the background.
`android:backgroundTint` | Tint to apply to the background.
`android:backgroundTintMode` | Blending mode used to apply the background tint.
`android:clickable` | Defines whether this view reacts to click events.
`android:contentDescription` | Defines text that briefly describes content of the view.
`android:contextClickable` | Defines whether this view reacts to context click events.
`android:defaultFocusHighlightEnabled` | Whether this View should use a default focus highlight when it gets focused but doesn't have `R.attr.state_focused` defined in its background.
`android:drawingCacheQuality` | Defines the quality of translucent drawing caches.
`android:duplicateParentState` | When this attribute is set to true, the view gets its drawable state (focused, pressed, etc.) from its direct parent rather than from itself.
`android:elevation` | base z depth of the view.
`android:fadeScrollbars` | Defines whether to fade out scrollbars when they are not in use.
`android:fadingEdgeLength` | Defines the length of the fading edges.
`android:filterTouchesWhenObscured` | Specifies whether to filter touches when the view's window is obscured by another visible window.
`android:fitsSystemWindows` | Boolean internal attribute to adjust view layout based on system windows such as the status bar.
`android:focusable` | Controls whether a view can take focus.
`android:focusableInTouchMode` | Boolean that controls whether a view can take focus while in touch mode.
`android:focusedByDefault` | Whether this view is a default-focus view.
`android:forceHasOverlappingRendering` | Whether this view has elements that may overlap when drawn.
`android:foreground` | Defines the drawable to draw over the content.
`android:foregroundGravity` | Defines the gravity to apply to the foreground drawable.
`android:foregroundTint` | Tint to apply to the foreground.
`android:foregroundTintMode` | Blending mode used to apply the foreground tint.
`android:hapticFeedbackEnabled` | Boolean that controls whether a view should have haptic feedback enabled for events such as long presses.
`android:id` | Supply an identifier name for this view, to later retrieve it with `View.findViewById()` or `Activity.findViewById()`.
`android:importantForAccessibility` | Describes whether or not this view is important for accessibility.
`android:importantForAutofill` | Hints the Android System whether the view node associated with this View should be included in a view structure used for autofill purposes.
`android:importantForContentCapture` | Hints the Android System whether the view node associated with this View should be use for content capture purposes.
`android:isScrollContainer` | Set this if the view will serve as a scrolling container, meaning that it can be resized to shrink its overall window so that there will be space for an input method.
`android:keepScreenOn` | Controls whether the view's window should keep the screen on while visible.
`android:keyboardNavigationCluster` | Whether this view is a root of a keyboard navigation cluster.
`android:layerType` | Specifies the type of layer backing this view.
`android:layoutDirection` | Defines the direction of layout drawing.
`android:longClickable` | Defines whether this view reacts to long click events.
`android:minHeight` | Defines the minimum height of the view.
`android:minWidth` | Defines the minimum width of the view.
`android:nextClusterForward` | Defines the next keyboard navigation cluster.
`android:nextFocusDown` | Defines the next view to give focus to when the next focus is `View.FOCUS_DOWN` If the reference refers to a view that does not exist or is part of a hierarchy that is invisible, a `RuntimeException` will result when the reference is accessed.
`android:nextFocusForward` | Defines the next view to give focus to when the next focus is `View.FOCUS_FORWARD` If the reference refers to a view that does not exist or is part of a hierarchy that is invisible, a `RuntimeException` will result when the reference is accessed.
`android:nextFocusLeft` | Defines the next view to give focus to when the next focus is `View.FOCUS_LEFT`.
`android:nextFocusRight` | Defines the next view to give focus to when the next focus is `View.FOCUS_RIGHT` If the reference refers to a view that does not exist or is part of a hierarchy that is invisible, a `RuntimeException` will result when the reference is accessed.
`android:nextFocusUp` | Defines the next view to give focus to when the next focus is `View.FOCUS_UP` If the reference refers to a view that does not exist or is part of a hierarchy that is invisible, a `RuntimeException` will result when the reference is accessed.
`android:onClick` | Name of the method in this View's context to invoke when the view is clicked.
`android:outlineAmbientShadowColor` | Sets the color of the ambient shadow that is drawn when the view has a positive Z or elevation value.
`android:outlineSpotShadowColor` | Sets the color of the spot shadow that is drawn when the view has a positive Z or elevation value.
`android:padding` | Sets the padding, in pixels, of all four edges.
`android:paddingBottom` | Sets the padding, in pixels, of the bottom edge; see `R.attr.padding`.
`android:paddingEnd` | Sets the padding, in pixels, of the end edge; see `R.attr.padding`.
`android:paddingHorizontal` | Sets the padding, in pixels, of the left and right edges; see `R.attr.padding`.
`android:paddingLeft` | Sets the padding, in pixels, of the left edge; see `R.attr.padding`.
`android:paddingRight` | Sets the padding, in pixels, of the right edge; see `R.attr.padding`.
`android:paddingStart` | Sets the padding, in pixels, of the start edge; see `R.attr.padding`.
`android:paddingTop` | Sets the padding, in pixels, of the top edge; see `R.attr.padding`.
`android:paddingVertical` | Sets the padding, in pixels, of the top and bottom edges; see `R.attr.padding`.
`android:requiresFadingEdge` | Defines which edges should be faded on scrolling.
`android:rotation` | rotation of the view, in degrees.
`android:rotationX` | rotation of the view around the x axis, in degrees.
`android:rotationY` | rotation of the view around the y axis, in degrees.
`android:saveEnabled` | If false, no state will be saved for this view when it is being frozen.
`android:scaleX` | scale of the view in the x direction.
`android:scaleY` | scale of the view in the y direction.
`android:screenReaderFocusable` | Whether this view should be treated as a focusable unit by screen reader accessibility tools.
`android:scrollIndicators` | Defines which scroll indicators should be displayed when the view can be scrolled.
`android:scrollX` | The initial horizontal scroll offset, in pixels.
`android:scrollY` | The initial vertical scroll offset, in pixels.
`android:scrollbarAlwaysDrawHorizontalTrack` | Defines whether the horizontal scrollbar track should always be drawn.
`android:scrollbarAlwaysDrawVerticalTrack` | Defines whether the vertical scrollbar track should always be drawn.
`android:scrollbarDefaultDelayBeforeFade` | Defines the delay in milliseconds that a scrollbar waits before fade out.
`android:scrollbarFadeDuration` | Defines the delay in milliseconds that a scrollbar takes to fade out.
`android:scrollbarSize` | Sets the width of vertical scrollbars and height of horizontal scrollbars.
`android:scrollbarStyle` | Controls the scrollbar style and position.
`android:scrollbarThumbHorizontal` | Defines the horizontal scrollbar thumb drawable.
`android:scrollbarThumbVertical` | Defines the vertical scrollbar thumb drawable.
`android:scrollbarTrackHorizontal` | Defines the horizontal scrollbar track drawable.
`android:scrollbarTrackVertical` | Defines the vertical scrollbar track drawable.
`android:scrollbars` | Defines which scrollbars should be displayed on scrolling or not.
`android:soundEffectsEnabled` | Boolean that controls whether a view should have sound effects enabled for events such as clicking and touching.
`android:stateListAnimator` | Sets the state-based animator for the View.
`android:tag` | Supply a tag for this view containing a String, to be retrieved later with `View.getTag()` or searched for with `View.findViewWithTag()`.
`android:textAlignment` | Defines the alignment of the text.
`android:textDirection` | Defines the direction of the text.
`android:theme` | Specifies a theme override for a view.
`android:tooltipText` | Defines text displayed in a small popup window on hover or long press.
`android:transformPivotX` | x location of the pivot point around which the view will rotate and scale.
`android:transformPivotY` | y location of the pivot point around which the view will rotate and scale.
`android:transitionName` | Names a View such that it can be identified for Transitions.
`android:translationX` | translation in x of the view.
`android:translationY` | translation in y of the view.
`android:translationZ` | translation in z of the view.
`android:visibility` | Controls the initial visibility of the view.

### Inherited constants
From class `android.widget.TextView`
`int` | `AUTO_SIZE_TEXT_TYPE_NONE` The TextView does not auto-size text (default).
`int` | `AUTO_SIZE_TEXT_TYPE_UNIFORM` The TextView scales text size both horizontally and vertically to fit within the container.
From class `android.view.View`
`int` | `ACCESSIBILITY_LIVE_REGION_ASSERTIVE` Live region mode specifying that accessibility services should interrupt ongoing speech to immediately announce changes to this view.
`int` | `ACCESSIBILITY_LIVE_REGION_NONE` Live region mode specifying that accessibility services should not automatically announce changes to this view.
`int` | `ACCESSIBILITY_LIVE_REGION_POLITE` Live region mode specifying that accessibility services should announce changes to this view.
`int` | `AUTOFILL_FLAG_INCLUDE_NOT_IMPORTANT_VIEWS` Flag requesting you to add views that are marked as not important for autofill (see `setImportantForAutofill(int)`) to a `ViewStructure`.
`String` | `AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DATE` Hint indicating that this view can be autofilled with a credit card expiration date.
`String` | `AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DAY` Hint indicating that this view can be autofilled with a credit card expiration day.
`String` | `AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_MONTH` Hint indicating that this view can be autofilled with a credit card expiration month.
`String` | `AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_YEAR` Hint indicating that this view can be autofilled with a credit card expiration year.
`String` | `AUTOFILL_HINT_CREDIT_CARD_NUMBER` Hint indicating that this view can be autofilled with a credit card number.
`String` | `AUTOFILL_HINT_CREDIT_CARD_SECURITY_CODE` Hint indicating that this view can be autofilled with a credit card security code.
`String` | `AUTOFILL_HINT_EMAIL_ADDRESS` Hint indicating that this view can be autofilled with an email address.
`String` | `AUTOFILL_HINT_NAME` Hint indicating that this view can be autofilled with a user's real name.
`String` | `AUTOFILL_HINT_PASSWORD` Hint indicating that this view can be autofilled with a password.
`String` | `AUTOFILL_HINT_PHONE` Hint indicating that this view can be autofilled with a phone number.
`String` | `AUTOFILL_HINT_POSTAL_ADDRESS` Hint indicating that this view can be autofilled with a postal address.
`String` | `AUTOFILL_HINT_POSTAL_CODE` Hint indicating that this view can be autofilled with a postal code.
`String` | `AUTOFILL_HINT_USERNAME` Hint indicating that this view can be autofilled with a username.
`int` | `AUTOFILL_TYPE_DATE` Autofill type for a field that contains a date, which is represented by a long representing the number of milliseconds since the standard base time known as "the epoch", namely January 1, 1970, 00:00:00 GMT (see `Date.getTime()`.
`int` | `AUTOFILL_TYPE_LIST` Autofill type for a selection list field, which is filled by an `int` representing the element index inside the list (starting at `0`).
`int` | `AUTOFILL_TYPE_NONE` Autofill type for views that cannot be autofilled.
`int` | `AUTOFILL_TYPE_TEXT` Autofill type for a text field, which is filled by a `CharSequence`.
`int` | `AUTOFILL_TYPE_TOGGLE` Autofill type for a togglable field, which is filled by a `boolean`.
`int` | `DRAG_FLAG_GLOBAL` Flag indicating that a drag can cross window boundaries.
`int` | `DRAG_FLAG_GLOBAL_PERSISTABLE_URI_PERMISSION` When this flag is used with `DRAG_FLAG_GLOBAL_URI_READ` and/or `DRAG_FLAG_GLOBAL_URI_WRITE`, the URI permission grant can be persisted across device reboots until explicitly revoked with `Context.revokeUriPermission(Uri, int)` Context.revokeUriPermission}.
`int` | `DRAG_FLAG_GLOBAL_PREFIX_URI_PERMISSION` When this flag is used with `DRAG_FLAG_GLOBAL_URI_READ` and/or `DRAG_FLAG_GLOBAL_URI_WRITE`, the URI permission grant applies to any URI that is a prefix match against the original granted URI.
`int` | `DRAG_FLAG_GLOBAL_URI_READ` When this flag is used with `DRAG_FLAG_GLOBAL`, the drag recipient will be able to request read access to the content URI(s) contained in the `ClipData` object.
`int` | `DRAG_FLAG_GLOBAL_URI_WRITE` When this flag is used with `DRAG_FLAG_GLOBAL`, the drag recipient will be able to request write access to the content URI(s) contained in the `ClipData` object.
`int` | `DRAG_FLAG_OPAQUE` Flag indicating that the drag shadow will be opaque.
`int` | `DRAWING_CACHE_QUALITY_AUTO` This constant is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`int` | `DRAWING_CACHE_QUALITY_HIGH` This constant is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`int` | `DRAWING_CACHE_QUALITY_LOW` This constant is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`int` | `FIND_VIEWS_WITH_CONTENT_DESCRIPTION` Find find views that contain the specified content description.
`int` | `FIND_VIEWS_WITH_TEXT` Find views that render the specified text.
`int` | `FOCUSABLE` This view wants keystrokes.
`int` | `FOCUSABLES_ALL` View flag indicating whether `addFocusables(java.util.ArrayList, int, int)` should add all focusable Views regardless if they are focusable in touch mode.
`int` | `FOCUSABLES_TOUCH_MODE` View flag indicating whether `addFocusables(java.util.ArrayList, int, int)` should add only Views focusable in touch mode.
`int` | `FOCUSABLE_AUTO` This view determines focusability automatically.
`int` | `FOCUS_BACKWARD` Use with `focusSearch(int)`.
`int` | `FOCUS_DOWN` Use with `focusSearch(int)`.
`int` | `FOCUS_FORWARD` Use with `focusSearch(int)`.
`int` | `FOCUS_LEFT` Use with `focusSearch(int)`.
`int` | `FOCUS_RIGHT` Use with `focusSearch(int)`.
`int` | `FOCUS_UP` Use with `focusSearch(int)`.
`int` | `GONE` This view is invisible, and it doesn't take any space for layout purposes.
`int` | `HAPTIC_FEEDBACK_ENABLED` View flag indicating whether this view should have haptic feedback enabled for events such as long presses.
`int` | `IMPORTANT_FOR_ACCESSIBILITY_AUTO` Automatically determine whether a view is important for accessibility.
`int` | `IMPORTANT_FOR_ACCESSIBILITY_NO` The view is not important for accessibility.
`int` | `IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS` The view is not important for accessibility, nor are any of its descendant views.
`int` | `IMPORTANT_FOR_ACCESSIBILITY_YES` The view is important for accessibility.
`int` | `IMPORTANT_FOR_AUTOFILL_AUTO` Automatically determine whether a view is important for autofill.
`int` | `IMPORTANT_FOR_AUTOFILL_NO` The view is not important for autofill, but its children (if any) will be traversed.
`int` | `IMPORTANT_FOR_AUTOFILL_NO_EXCLUDE_DESCENDANTS` The view is not important for autofill, and its children (if any) will not be traversed.
`int` | `IMPORTANT_FOR_AUTOFILL_YES` The view is important for autofill, and its children (if any) will be traversed.
`int` | `IMPORTANT_FOR_AUTOFILL_YES_EXCLUDE_DESCENDANTS` The view is important for autofill, but its children (if any) will not be traversed.
`int` | `IMPORTANT_FOR_CONTENT_CAPTURE_AUTO` Automatically determine whether a view is important for content capture.
`int` | `IMPORTANT_FOR_CONTENT_CAPTURE_NO` The view is not important for content capture, but its children (if any) will be traversed.
`int` | `IMPORTANT_FOR_CONTENT_CAPTURE_NO_EXCLUDE_DESCENDANTS` The view is not important for content capture, and its children (if any) will not be traversed.
`int` | `IMPORTANT_FOR_CONTENT_CAPTURE_YES` The view is important for content capture, and its children (if any) will be traversed.
`int` | `IMPORTANT_FOR_CONTENT_CAPTURE_YES_EXCLUDE_DESCENDANTS` The view is important for content capture, but its children (if any) will not be traversed.
`int` | `INVISIBLE` This view is invisible, but it still takes up space for layout purposes.
`int` | `KEEP_SCREEN_ON` View flag indicating that the screen should remain on while the window containing this view is visible to the user.
`int` | `LAYER_TYPE_HARDWARE` Indicates that the view has a hardware layer.
`int` | `LAYER_TYPE_NONE` Indicates that the view does not have a layer.
`int` | `LAYER_TYPE_SOFTWARE` Indicates that the view has a software layer.
`int` | `LAYOUT_DIRECTION_INHERIT` Horizontal layout direction of this view is inherited from its parent.
`int` | `LAYOUT_DIRECTION_LOCALE` Horizontal layout direction of this view is from deduced from the default language script for the locale.
`int` | `LAYOUT_DIRECTION_LTR` Horizontal layout direction of this view is from Left to Right.
`int` | `LAYOUT_DIRECTION_RTL` Horizontal layout direction of this view is from Right to Left.
`int` | `MEASURED_HEIGHT_STATE_SHIFT` Bit shift of `MEASURED_STATE_MASK` to get to the height bits for functions that combine both width and height into a single int, such as `getMeasuredState()` and the childState argument of `resolveSizeAndState(int, int, int)`.
`int` | `MEASURED_SIZE_MASK` Bits of `getMeasuredWidthAndState()` and `getMeasuredWidthAndState()` that provide the actual measured size.
`int` | `MEASURED_STATE_MASK` Bits of `getMeasuredWidthAndState()` and `getMeasuredWidthAndState()` that provide the additional state bits.
`int` | `MEASURED_STATE_TOO_SMALL` Bit of `getMeasuredWidthAndState()` and `getMeasuredWidthAndState()` that indicates the measured size is smaller that the space the view would like to have.
`int` | `NOT_FOCUSABLE` This view does not want keystrokes.
`int` | `NO_ID` Used to mark a View that has no ID.
`int` | `OVER_SCROLL_ALWAYS` Always allow a user to over-scroll this view, provided it is a view that can scroll.
`int` | `OVER_SCROLL_IF_CONTENT_SCROLLS` Allow a user to over-scroll this view only if the content is large enough to meaningfully scroll, provided it is a view that can scroll.
`int` | `OVER_SCROLL_NEVER` Never allow a user to over-scroll this view.
`int` | `SCREEN_STATE_OFF` Indicates that the screen has changed state and is now off.
`int` | `SCREEN_STATE_ON` Indicates that the screen has changed state and is now on.
`int` | `SCROLLBARS_INSIDE_INSET` The scrollbar style to display the scrollbars inside the padded area, increasing the padding of the view.
`int` | `SCROLLBARS_INSIDE_OVERLAY` The scrollbar style to display the scrollbars inside the content area, without increasing the padding.
`int` | `SCROLLBARS_OUTSIDE_INSET` The scrollbar style to display the scrollbars at the edge of the view, increasing the padding of the view.
`int` | `SCROLLBARS_OUTSIDE_OVERLAY` The scrollbar style to display the scrollbars at the edge of the view, without increasing the padding.
`int` | `SCROLLBAR_POSITION_DEFAULT` Position the scroll bar at the default position as determined by the system.
`int` | `SCROLLBAR_POSITION_LEFT` Position the scroll bar along the left edge.
`int` | `SCROLLBAR_POSITION_RIGHT` Position the scroll bar along the right edge.
`int` | `SCROLL_AXIS_HORIZONTAL` Indicates scrolling along the horizontal axis.
`int` | `SCROLL_AXIS_NONE` Indicates no axis of view scrolling.
`int` | `SCROLL_AXIS_VERTICAL` Indicates scrolling along the vertical axis.
`int` | `SCROLL_INDICATOR_BOTTOM` Scroll indicator direction for the bottom edge of the view.
`int` | `SCROLL_INDICATOR_END` Scroll indicator direction for the ending edge of the view.
`int` | `SCROLL_INDICATOR_LEFT` Scroll indicator direction for the left edge of the view.
`int` | `SCROLL_INDICATOR_RIGHT` Scroll indicator direction for the right edge of the view.
`int` | `SCROLL_INDICATOR_START` Scroll indicator direction for the starting edge of the view.
`int` | `SCROLL_INDICATOR_TOP` Scroll indicator direction for the top edge of the view.
`int` | `SOUND_EFFECTS_ENABLED` View flag indicating whether this view should have sound effects enabled for events such as clicking and touching.
`int` | `STATUS_BAR_HIDDEN` This constant is deprecated. Use `SYSTEM_UI_FLAG_LOW_PROFILE` instead.
`int` | `STATUS_BAR_VISIBLE` This constant is deprecated. Use `SYSTEM_UI_FLAG_VISIBLE` instead.
`int` | `SYSTEM_UI_FLAG_FULLSCREEN` This constant is deprecated. Use `WindowInsetsController#hide(int)` with `Type#statusBars()` instead.
`int` | `SYSTEM_UI_FLAG_HIDE_NAVIGATION` This constant is deprecated. Use `WindowInsetsController#hide(int)` with `Type#navigationBars()` instead.
`int` | `SYSTEM_UI_FLAG_IMMERSIVE` This constant is deprecated. Use `WindowInsetsController#BEHAVIOR_SHOW_BARS_BY_SWIPE` instead.
`int` | `SYSTEM_UI_FLAG_IMMERSIVE_STICKY` This constant is deprecated. Use `WindowInsetsController#BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE` instead.
`int` | `SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN` This constant is deprecated. For floating windows, use `LayoutParams#setFitInsetsTypes(int)` with `Type#statusBars()` ()}. For non-floating windows that fill the screen, call `Window#setDecorFitsSystemWindows(boolean)` with `false`.
`int` | `SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION` This constant is deprecated. For floating windows, use `LayoutParams#setFitInsetsTypes(int)` with `Type#navigationBars()`. For non-floating windows that fill the screen, call `Window#setDecorFitsSystemWindows(boolean)` with `false`.
`int` | `SYSTEM_UI_FLAG_LAYOUT_STABLE` This constant is deprecated. Use `WindowInsets#getInsetsIgnoringVisibility(int)` instead to retrieve insets that don't change when system bars change visibility state.
`int` | `SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR` This constant is deprecated. Use `WindowInsetsController#APPEARANCE_LIGHT_NAVIGATION_BARS` instead.
`int` | `SYSTEM_UI_FLAG_LIGHT_STATUS_BAR` This constant is deprecated. Use `WindowInsetsController#APPEARANCE_LIGHT_STATUS_BARS` instead.
`int` | `SYSTEM_UI_FLAG_LOW_PROFILE` This constant is deprecated. Low profile mode is deprecated. Hide the system bars instead if the application needs to be in a unobtrusive mode. Use `WindowInsetsController#hide(int)` with `Type#systemBars()`.
`int` | `SYSTEM_UI_FLAG_VISIBLE` This constant is deprecated. SystemUiVisibility flags are deprecated. Use `WindowInsetsController` instead.
`int` | `SYSTEM_UI_LAYOUT_FLAGS` This constant is deprecated. System UI layout flags are deprecated.
`int` | `TEXT_ALIGNMENT_CENTER` Center the paragraph, e.g. ALIGN_CENTER.
`int` | `TEXT_ALIGNMENT_GRAVITY` Default for the root view.
`int` | `TEXT_ALIGNMENT_INHERIT` Default text alignment.
`int` | `TEXT_ALIGNMENT_TEXT_END` Align to the end of the paragraph, e.g. ALIGN_OPPOSITE.
`int` | `TEXT_ALIGNMENT_TEXT_START` Align to the start of the paragraph, e.g. ALIGN_NORMAL.
`int` | `TEXT_ALIGNMENT_VIEW_END` Align to the end of the view, which is ALIGN_RIGHT if the view's resolved layoutDirection is LTR, and ALIGN_LEFT otherwise.
`int` | `TEXT_ALIGNMENT_VIEW_START` Align to the start of the view, which is ALIGN_LEFT if the view's resolved layoutDirection is LTR, and ALIGN_RIGHT otherwise.
`int` | `TEXT_DIRECTION_ANY_RTL` Text direction is using "any-RTL" algorithm.
`int` | `TEXT_DIRECTION_FIRST_STRONG` Text direction is using "first strong algorithm".
`int` | `TEXT_DIRECTION_FIRST_STRONG_LTR` Text direction is using "first strong algorithm".
`int` | `TEXT_DIRECTION_FIRST_STRONG_RTL` Text direction is using "first strong algorithm".
`int` | `TEXT_DIRECTION_INHERIT` Text direction is inherited through `ViewGroup`
`int` | `TEXT_DIRECTION_LOCALE` Text direction is coming from the system Locale.
`int` | `TEXT_DIRECTION_LTR` Text direction is forced to LTR.
`int` | `TEXT_DIRECTION_RTL` Text direction is forced to RTL.
`String` | `VIEW_LOG_TAG` The logging tag used by this class with android.util.Log.
`int` | `VISIBLE` This view is visible.

### Inherited fields
From class `android.view.View`
`public static final Property<View, Float>` | `ALPHA` A Property wrapper around the `alpha` functionality handled by the `View#setAlpha(float)` and `View#getAlpha()` methods.
`protected static final int[]` | `EMPTY_STATE_SET` Indicates the view has no states set.
`protected static final int[]` | `ENABLED_FOCUSED_SELECTED_STATE_SET` Indicates the view is enabled, focused and selected.
`protected static final int[]` | `ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET` Indicates the view is enabled, focused, selected and its window has the focus.
`protected static final int[]` | `ENABLED_FOCUSED_STATE_SET` Indicates the view is enabled and has the focus.
`protected static final int[]` | `ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET` Indicates the view is enabled, focused and its window has the focus.
`protected static final int[]` | `ENABLED_SELECTED_STATE_SET` Indicates the view is enabled and selected.
`protected static final int[]` | `ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET` Indicates the view is enabled, selected and its window has the focus.
`protected static final int[]` | `ENABLED_STATE_SET` Indicates the view is enabled.
`protected static final int[]` | `ENABLED_WINDOW_FOCUSED_STATE_SET` Indicates the view is enabled and that its window has focus.
`protected static final int[]` | `FOCUSED_SELECTED_STATE_SET` Indicates the view is focused and selected.
`protected static final int[]` | `FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET` Indicates the view is focused, selected and its window has the focus.
`protected static final int[]` | `FOCUSED_STATE_SET` Indicates the view is focused.
`protected static final int[]` | `FOCUSED_WINDOW_FOCUSED_STATE_SET` Indicates the view has the focus and that its window has the focus.
`protected static final int[]` | `PRESSED_ENABLED_FOCUSED_SELECTED_STATE_SET` Indicates the view is pressed, enabled, focused and selected.
`protected static final int[]` | `PRESSED_ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET` Indicates the view is pressed, enabled, focused, selected and its window has the focus.
`protected static final int[]` | `PRESSED_ENABLED_FOCUSED_STATE_SET` Indicates the view is pressed, enabled and focused.
`protected static final int[]` | `PRESSED_ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET` Indicates the view is pressed, enabled, focused and its window has the focus.
`protected static final int[]` | `PRESSED_ENABLED_SELECTED_STATE_SET` Indicates the view is pressed, enabled and selected.
`protected static final int[]` | `PRESSED_ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET` Indicates the view is pressed, enabled, selected and its window has the focus.
`protected static final int[]` | `PRESSED_ENABLED_STATE_SET` Indicates the view is pressed and enabled.
`protected static final int[]` | `PRESSED_ENABLED_WINDOW_FOCUSED_STATE_SET` Indicates the view is pressed, enabled and its window has the focus.
`protected static final int[]` | `PRESSED_FOCUSED_SELECTED_STATE_SET` Indicates the view is pressed, focused and selected.
`protected static final int[]` | `PRESSED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET` Indicates the view is pressed, focused, selected and its window has the focus.
`protected static final int[]` | `PRESSED_FOCUSED_STATE_SET` Indicates the view is pressed and focused.
`protected static final int[]` | `PRESSED_FOCUSED_WINDOW_FOCUSED_STATE_SET` Indicates the view is pressed, focused and its window has the focus.
`protected static final int[]` | `PRESSED_SELECTED_STATE_SET` Indicates the view is pressed and selected.
`protected static final int[]` | `PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET` Indicates the view is pressed, selected and its window has the focus.
`protected static final int[]` | `PRESSED_STATE_SET` Indicates the view is pressed.
`protected static final int[]` | `PRESSED_WINDOW_FOCUSED_STATE_SET` Indicates the view is pressed and its window has the focus.
`public static final Property<View, Float>` | `ROTATION` A Property wrapper around the `rotation` functionality handled by the `View#setRotation(float)` and `View#getRotation()` methods.
`public static final Property<View, Float>` | `ROTATION_X` A Property wrapper around the `rotationX` functionality handled by the `View#setRotationX(float)` and `View#getRotationX()` methods.
`public static final Property<View, Float>` | `ROTATION_Y` A Property wrapper around the `rotationY` functionality handled by the `View#setRotationY(float)` and `View#getRotationY()` methods.
`public static final Property<View, Float>` | `SCALE_X` A Property wrapper around the `scaleX` functionality handled by the `View#setScaleX(float)` and `View#getScaleX()` methods.
`public static final Property<View, Float>` | `SCALE_Y` A Property wrapper around the `scaleY` functionality handled by the `View#setScaleY(float)` and `View#getScaleY()` methods.
`protected static final int[]` | `SELECTED_STATE_SET` Indicates the view is selected.
`protected static final int[]` | `SELECTED_WINDOW_FOCUSED_STATE_SET` Indicates the view is selected and that its window has the focus.
`public static final Property<View, Float>` | `TRANSLATION_X` A Property wrapper around the `translationX` functionality handled by the `View#setTranslationX(float)` and `View#getTranslationX()` methods.
`public static final Property<View, Float>` | `TRANSLATION_Y` A Property wrapper around the `translationY` functionality handled by the `View#setTranslationY(float)` and `View#getTranslationY()` methods.
`public static final Property<View, Float>` | `TRANSLATION_Z` A Property wrapper around the `translationZ` functionality handled by the `View#setTranslationZ(float)` and `View#getTranslationZ()` methods.
`protected static final int[]` | `WINDOW_FOCUSED_STATE_SET` Indicates the view's window has focus.
`public static final Property<View, Float>` | `X` A Property wrapper around the `x` functionality handled by the `View#setX(float)` and `View#getX()` methods.
`public static final Property<View, Float>` | `Y` A Property wrapper around the `y` functionality handled by the `View#setY(float)` and `View#getY()` methods.
`public static final Property<View, Float>` | `Z` A Property wrapper around the `z` functionality handled by the `View#setZ(float)` and `View#getZ()` methods.

### Public constructors
`Switch(Context context)` Construct a new Switch with default styling.
`Switch(Context context, AttributeSet attrs)` Construct a new Switch with default styling, overriding specific style attributes as requested.
`Switch(Context context, AttributeSet attrs, int defStyleAttr)` Construct a new Switch with a default style determined by the given theme attribute, overriding specific style attributes as requested.
`Switch(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)` Construct a new Switch with a default style determined by the given theme attribute or style resource, overriding specific style attributes as requested.

### Public methods
`void` | `draw(Canvas c)` Manually render this view (and all of its children) to the given Canvas.
`void` | `drawableHotspotChanged(float x, float y)` This function is called whenever the view hotspot changes and needs to be propagated to drawables or child views managed by the view.
`CharSequence` | `getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.
`int` | `getCompoundPaddingLeft()` Returns the left padding of the view, plus space for the left Drawable if any.
`int` | `getCompoundPaddingRight()` Returns the right padding of the view, plus space for the right Drawable if any.
`boolean` | `getShowText()`
`boolean` | `getSplitTrack()` Returns whether the track should be split by the thumb.
`int` | `getSwitchMinWidth()` Get the minimum width of the switch in pixels.
`int` | `getSwitchPadding()` Get the amount of horizontal padding between the switch and the associated text.
`CharSequence` | `getTextOff()` Returns the text displayed when the button is not in the checked state.
`CharSequence` | `getTextOn()` Returns the text displayed when the button is in the checked state.
`Drawable` | `getThumbDrawable()` Get the drawable used for the switch "thumb" - the piece that the user can physically touch and drag along the track.
`int` | `getThumbTextPadding()` Get the horizontal padding around the text drawn on the switch itself.
`BlendMode` | `getThumbTintBlendMode()`
`ColorStateList` | `getThumbTintList()`
`PorterDuff.Mode` | `getThumbTintMode()`
`Drawable` | `getTrackDrawable()` Get the drawable used for the track that the switch slides within.
`BlendMode` | `getTrackTintBlendMode()`
`ColorStateList` | `getTrackTintList()`
`PorterDuff.Mode` | `getTrackTintMode()`
`void` | `jumpDrawablesToCurrentState()` Call `Drawable#jumpToCurrentState()` on all Drawable objects associated with this view.
`void` | `onMeasure(int widthMeasureSpec, int heightMeasureSpec)` Measure the view and its content to determine the measured width and the measured height.
`boolean` | `onTouchEvent(MotionEvent ev)` Implement this method to handle touch screen motion events.
`void` | `setChecked(boolean checked)` Changes the checked state of this button.
`void` | `setShowText(boolean showText)` Sets whether the on/off text should be displayed.
`void` | `setSplitTrack(boolean splitTrack)` Specifies whether the track should be split by the thumb.
`void` | `setSwitchMinWidth(int pixels)` Set the minimum width of the switch in pixels.
`void` | `setSwitchPadding(int pixels)` Set the amount of horizontal padding between the switch and the associated text.
`void` | `setSwitchTextAppearance(Context context, int resid)` Sets the switch text color, size, style, hint color, and highlight color from the specified TextAppearance resource.
`void` | `setSwitchTypeface(Typeface tf)` Sets the typeface in which the text should be displayed on the switch.
`void` | `setSwitchTypeface(Typeface tf, int style)` Sets the typeface and style in which the text should be displayed on the switch, and turns on the fake bold and italic bits in the Paint if the Typeface that you provided does not have all the bits in the style that you specified.
`void` | `setTextOff(CharSequence textOff)` Sets the text displayed when the button is not in the checked state.
`void` | `setTextOn(CharSequence textOn)` Sets the text displayed when the button is in the checked state.
`void` | `setThumbDrawable(Drawable thumb)` Set the drawable used for the switch "thumb" - the piece that the user can physically touch and drag along the track.
`void` | `setThumbResource(int resId)` Set the drawable used for the switch "thumb" - the piece that the user can physically touch and drag along the track.
`void` | `setThumbTextPadding(int pixels)` Set the horizontal padding around the text drawn on the switch itself.
`void` | `setThumbTintBlendMode(BlendMode blendMode)` Specifies the blending mode used to apply the tint specified by `setThumbTintList(android.content.res.ColorStateList)`} to the thumb drawable.
`void` | `setThumbTintList(ColorStateList tint)` Applies a tint to the thumb drawable.
`void` | `setThumbTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setThumbTintList(android.content.res.ColorStateList)`} to the thumb drawable.
`void` | `setTrackDrawable(Drawable track)` Set the drawable used for the track that the switch slides within.
`void` | `setTrackResource(int resId)` Set the drawable used for the track that the switch slides within.
`void` | `setTrackTintBlendMode(BlendMode blendMode)` Specifies the blending mode used to apply the tint specified by `setTrackTintList(android.content.res.ColorStateList)`} to the track drawable.
`void` | `setTrackTintList(ColorStateList tint)` Applies a tint to the track drawable.
`void` | `setTrackTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setTrackTintList(android.content.res.ColorStateList)`} to the track drawable.
`void` | `toggle()` Change the checked state of the view to the inverse of its current state

### Protected methods
`void` | `drawableStateChanged()` This function is called whenever the state of the view changes in such a way that it impacts the state of drawables being shown.
`int[]` | `onCreateDrawableState(int extraSpace)` Generate the new `Drawable` state for this view.
`void` | `onDraw(Canvas canvas)` Implement this to do your drawing.
`void` | `onLayout(boolean changed, int left, int top, int right, int bottom)` Called from layout when this view should assign a size and position to each of its children.
`boolean` | `verifyDrawable(Drawable who)` If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying.

### Inherited methods
From class `android.widget.CompoundButton`
`void` | `autofill(AutofillValue value)` Automatically fills the content of this view with the `value`.
`void` | `drawableHotspotChanged(float x, float y)` This function is called whenever the view hotspot changes and needs to be propagated to drawables or child views managed by the view.
`void` | `drawableStateChanged()` This function is called whenever the state of the view changes in such a way that it impacts the state of drawables being shown.
`CharSequence` | `getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.
`int` | `getAutofillType()` Describes the autofill type of this view, so an `AutofillService` can create the proper `AutofillValue` when autofilling the view.
`AutofillValue` | `getAutofillValue()` Gets the `TextView`'s current text for AutoFill.
`Drawable` | `getButtonDrawable()`
`BlendMode` | `getButtonTintBlendMode()`
`ColorStateList` | `getButtonTintList()`
`PorterDuff.Mode` | `getButtonTintMode()`
`int` | `getCompoundPaddingLeft()` Returns the left padding of the view, plus space for the left Drawable if any.
`int` | `getCompoundPaddingRight()` Returns the right padding of the view, plus space for the right Drawable if any.
`boolean` | `isChecked()`
`void` | `jumpDrawablesToCurrentState()` Call `Drawable#jumpToCurrentState()` on all Drawable objects associated with this view.
`int[]` | `onCreateDrawableState(int extraSpace)` Generate the new `Drawable` state for this view.
`void` | `onDraw(Canvas canvas)` Implement this to do your drawing.
`void` | `onRestoreInstanceState(Parcelable state)` Hook allowing a view to re-apply a representation of its internal state that had previously been generated by `onSaveInstanceState()`.
`Parcelable` | `onSaveInstanceState()` Hook allowing a view to generate a representation of its internal state that can later be used to create a new instance with that same state.
`boolean` | `performClick()` Call this view's OnClickListener, if it is defined.
`void` | `setButtonDrawable(int resId)` Sets a drawable as the compound button image given its resource identifier.
`void` | `setButtonDrawable(Drawable drawable)` Sets a drawable as the compound button image.
`void` | `setButtonTintBlendMode(BlendMode tintMode)` Specifies the blending mode used to apply the tint specified by `setButtonTintList(android.content.res.ColorStateList)`} to the button drawable.
`void` | `setButtonTintList(ColorStateList tint)` Applies a tint to the button drawable.
`void` | `setButtonTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setButtonTintList(android.content.res.ColorStateList)`} to the button drawable.
`void` | `setChecked(boolean checked)` Changes the checked state of this button.
`void` | `setOnCheckedChangeListener(CompoundButton.OnCheckedChangeListener listener)` Register a callback to be invoked when the checked state of this button changes.
`void` | `setStateDescription(CharSequence stateDescription)` This function is called when an instance or subclass sets the state description.
`void` | `toggle()` Change the checked state of the view to the inverse of its current state
`boolean` | `verifyDrawable(Drawable who)` If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying.
From class `android.widget.Button`
`CharSequence` | `getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.
`PointerIcon` | `onResolvePointerIcon(MotionEvent event, int pointerIndex)` Returns the pointer icon for the motion event, or null if it doesn't specify the icon.
From class `android.widget.TextView`
`void` | `addExtraDataToAccessibilityNodeInfo(AccessibilityNodeInfo info, String extraDataKey, Bundle arguments)` Adds extra data to an `AccessibilityNodeInfo` based on an explicit request for the additional data.
`void` | `addTextChangedListener(TextWatcher watcher)` Adds a TextWatcher to the list of those whose methods are called whenever this TextView's text changes.
`final void` | `append(CharSequence text)` Convenience method to append the specified text to the TextView's display buffer, upgrading it to `TextView.BufferType.EDITABLE` if it was not already editable.
`void` | `append(CharSequence text, int start, int end)` Convenience method to append the specified text slice to the TextView's display buffer, upgrading it to `TextView.BufferType.EDITABLE` if it was not already editable.
`void` | `autofill(AutofillValue value)` Automatically fills the content of this view with the `value`.
`void` | `beginBatchEdit()`
`boolean` | `bringPointIntoView(int offset)` Move the point, specified by the offset, into the view if it is needed.
`void` | `cancelLongPress()` Cancels a pending long press.
`void` | `clearComposingText()` Use `BaseInputConnection#removeComposingSpans` to remove any IME composing state from this text view.
`int` | `computeHorizontalScrollRange()` Compute the horizontal range that the horizontal scrollbar represents.
`void` | `computeScroll()` Called by a parent to request that a child update its values for mScrollX and mScrollY if necessary.
`int` | `computeVerticalScrollExtent()` Compute the vertical extent of the vertical scrollbar's thumb within the vertical range.
`int` | `computeVerticalScrollRange()` Compute the vertical range that the vertical scrollbar represents.
`void` | `debug(int depth)`
`boolean` | `didTouchFocusSelect()` Returns true, only while processing a touch gesture, if the initial touch down event caused focus to move to the text view and as a result its selection changed.
`void` | `drawableHotspotChanged(float x, float y)` This function is called whenever the view hotspot changes and needs to be propagated to drawables or child views managed by the view.
`void` | `drawableStateChanged()` This function is called whenever the state of the view changes in such a way that it impacts the state of drawables being shown.
`void` | `endBatchEdit()`
`boolean` | `extractText(ExtractedTextRequest request, ExtractedText outText)` If this TextView contains editable content, extract a portion of it based on the information in request in to outText.
`void` | `findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags)` Finds the Views that contain given text.
`CharSequence` | `getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.
`final int` | `getAutoLinkMask()` Gets the autolink mask of the text.
`int` | `getAutoSizeMaxTextSize()`
`int` | `getAutoSizeMinTextSize()`
`int` | `getAutoSizeStepGranularity()`
`int[]` | `getAutoSizeTextAvailableSizes()`
`int` | `getAutoSizeTextType()` Returns the type of auto-size set for this widget.
`int` | `getAutofillType()` Describes the autofill type of this view, so an `AutofillService` can create the proper `AutofillValue` when autofilling the view.
`AutofillValue` | `getAutofillValue()` Gets the `TextView`'s current text for AutoFill.
`int` | `getBaseline()` Return the offset of the widget's text baseline from the widget's top boundary.
`int` | `getBottomPaddingOffset()` Amount by which to extend the bottom fading region.
`int` | `getBreakStrategy()` Gets the current strategy for breaking paragraphs into lines.
`int` | `getCompoundDrawablePadding()` Returns the padding between the compound drawables and the text.
`BlendMode` | `getCompoundDrawableTintBlendMode()` Returns the blending mode used to apply the tint to the compound drawables, if specified.
`ColorStateList` | `getCompoundDrawableTintList()`
`PorterDuff.Mode` | `getCompoundDrawableTintMode()` Returns the blending mode used to apply the tint to the compound drawables, if specified.
`Drawable[]` | `getCompoundDrawables()` Returns drawables for the left, top, right, and bottom borders.
`Drawable[]` | `getCompoundDrawablesRelative()` Returns drawables for the start, top, end, and bottom borders.
`int` | `getCompoundPaddingBottom()` Returns the bottom padding of the view, plus space for the bottom Drawable if any.
`int` | `getCompoundPaddingEnd()` Returns the end padding of the view, plus space for the end Drawable if any.
`int` | `getCompoundPaddingLeft()` Returns the left padding of the view, plus space for the left Drawable if any.
`int` | `getCompoundPaddingRight()` Returns the right padding of the view, plus space for the right Drawable if any.
`int` | `getCompoundPaddingStart()` Returns the start padding of the view, plus space for the start Drawable if any.
`int` | `getCompoundPaddingTop()` Returns the top padding of the view, plus space for the top Drawable if any.
`final int` | `getCurrentHintTextColor()` Return the current color selected to paint the hint text.
`final int` | `getCurrentTextColor()` Return the current color selected for normal text.
`ActionMode.Callback` | `getCustomInsertionActionModeCallback()` Retrieves the value set in `setCustomInsertionActionModeCallback(ActionMode.Callback)`.
`ActionMode.Callback` | `getCustomSelectionActionModeCallback()` Retrieves the value set in `setCustomSelectionActionModeCallback(ActionMode.Callback)`.
`boolean` | `getDefaultEditable()` Subclasses override this to specify that they have a KeyListener by default even if not specifically called for in the XML options.
`MovementMethod` | `getDefaultMovementMethod()` Subclasses override this to specify a default movement method.
`Editable` | `getEditableText()` Return the text that TextView is displaying as an Editable object.
`TextUtils.TruncateAt` | `getEllipsize()` Returns where, if anywhere, words that are longer than the view is wide should be ellipsized.
`CharSequence` | `getError()` Returns the error message that was set to be displayed with `setError(CharSequence)`, or `null` if no error was set or if it the error was cleared by the widget after user input.
`int` | `getExtendedPaddingBottom()` Returns the extended bottom padding of the view, including both the bottom Drawable if any and any extra space to keep more than maxLines of text from showing.
`int` | `getExtendedPaddingTop()` Returns the extended top padding of the view, including both the top Drawable if any and any extra space to keep more than maxLines of text from showing.
`InputFilter[]` | `getFilters()` Returns the current list of input filters.
`int` | `getFirstBaselineToTopHeight()` Returns the distance between the first text baseline and the top of this TextView.
`void` | `getFocusedRect(Rect r)` When a view has focus and the user navigates away from it, the next view is searched for starting from the rectangle filled in by this method.
`String` | `getFontFeatureSettings()` Returns the font feature settings.
`String` | `getFontVariationSettings()` Returns the font variation settings.
`boolean` | `getFreezesText()` Return whether this text view is including its entire text contents in frozen icicles.
`int` | `getGravity()` Returns the horizontal and vertical alignment of this TextView.
`int` | `getHighlightColor()`
`CharSequence` | `getHint()` Returns the hint that is displayed when the text of the TextView is empty.
`final ColorStateList` | `getHintTextColors()`
`int` | `getHyphenationFrequency()` Gets the current frequency of automatic hyphenation to be used when determining word breaks.
`int` | `getImeActionId()` Get the IME action ID previous set with `setImeActionLabel(CharSequence, int)`.
`CharSequence` | `getImeActionLabel()` Get the IME action label previous set with `setImeActionLabel(CharSequence, int)`.
`LocaleList` | `getImeHintLocales()`
`int` | `getImeOptions()` Get the type of the Input Method Editor (IME).
`boolean` | `getIncludeFontPadding()` Gets whether the TextView includes extra top and bottom padding to make room for accents that go above the normal ascent and descent.
`Bundle` | `getInputExtras(boolean create)` Retrieve the input extras currently associated with the text view, which can be viewed as well as modified.
`int` | `getInputType()` Get the type of the editable content.
`int` | `getJustificationMode()`
`final KeyListener` | `getKeyListener()` Gets the current `KeyListener` for the TextView.
`int` | `getLastBaselineToBottomHeight()` Returns the distance between the last text baseline and the bottom of this TextView.
`final Layout` | `getLayout()` Gets the `Layout` that is currently being used to display the text.
`float` | `getLeftFadingEdgeStrength()` Returns the strength, or intensity, of the left faded edge.
`int` | `getLeftPaddingOffset()` Amount by which to extend the left fading region.
`float` | `getLetterSpacing()` Gets the text letter-space value, which determines the spacing between characters.
`int` | `getLineBounds(int line, Rect bounds)` Return the baseline for the specified line (0...getLineCount() - 1) If bounds is not null, return the top, left, right, bottom extents of the specified line in it.
`int` | `getLineCount()` Return the number of lines of text, or 0 if the internal Layout has not been built.
`int` | `getLineHeight()` Gets the vertical distance between lines of text, in pixels.
`float` | `getLineSpacingExtra()` Gets the line spacing extra space
`float` | `getLineSpacingMultiplier()` Gets the line spacing multiplier
`final ColorStateList` | `getLinkTextColors()`
`final boolean` | `getLinksClickable()` Returns whether the movement method will automatically be set to `LinkMovementMethod` if `setAutoLinkMask(int)` has been set to nonzero and links are detected in `setText(char[], int, int)`.
`int` | `getMarqueeRepeatLimit()` Gets the number of times the marquee animation is repeated.
`int` | `getMaxEms()` Returns the maximum width of TextView in terms of ems or -1 if the maximum width was set using `setMaxWidth(int)` or `setWidth(int)`.
`int` | `getMaxHeight()` Returns the maximum height of TextView in terms of pixels or -1 if the maximum height was set using `setMaxLines(int)` or `setLines(int)`.
`int` | `getMaxLines()` Returns the maximum height of TextView in terms of number of lines or -1 if the maximum height was set using `setMaxHeight(int)` or `setHeight(int)`.
`int` | `getMaxWidth()` Returns the maximum width of TextView in terms of pixels or -1 if the maximum width was set using `setMaxEms(int)` or `setEms(int)`.
`int` | `getMinEms()` Returns the minimum width of TextView in terms of ems or -1 if the minimum width was set using `setMinWidth(int)` or `setWidth(int)`.
`int` | `getMinHeight()` Returns the minimum height of TextView in terms of pixels or -1 if the minimum height was set using `setMinLines(int)` or `setLines(int)`.
`int` | `getMinLines()` Returns the minimum height of TextView in terms of number of lines or -1 if the minimum height was set using `setMinHeight(int)` or `setHeight(int)`.
`int` | `getMinWidth()` Returns the minimum width of TextView in terms of pixels or -1 if the minimum width was set using `setMinEms(int)` or `setEms(int)`.
`final MovementMethod` | `getMovementMethod()` Gets the `MovementMethod` being used for this TextView, which provides positioning, scrolling, and text selection functionality.
`int` | `getOffsetForPosition(float x, float y)` Get the character offset closest to the specified absolute position.
`TextPaint` | `getPaint()` Gets the `TextPaint` used for the text.
`int` | `getPaintFlags()` Gets the flags on the Paint being used to display the text.
`String` | `getPrivateImeOptions()` Get the private type of the content.
`float` | `getRightFadingEdgeStrength()` Returns the strength, or intensity, of the right faded edge.
`int` | `getRightPaddingOffset()` Amount by which to extend the right fading region.
`int` | `getSelectionEnd()` Convenience for `Selection#getSelectionEnd`.
`int` | `getSelectionStart()` Convenience for `Selection#getSelectionStart`.
`int` | `getShadowColor()` Gets the color of the shadow layer.
`float` | `getShadowDx()`
`float` | `getShadowDy()` Gets the vertical offset of the shadow layer.
`float` | `getShadowRadius()` Gets the radius of the shadow layer.
`final boolean` | `getShowSoftInputOnFocus()` Returns whether the soft input method will be made visible when this TextView gets focused.
`CharSequence` | `getText()` Return the text that TextView is displaying.
`TextClassifier` | `getTextClassifier()` Returns the `TextClassifier` used by this TextView.
`final ColorStateList` | `getTextColors()` Gets the text colors for the different states (normal, selected, focused) of the TextView.
`Drawable` | `getTextCursorDrawable()` Returns the Drawable corresponding to the text cursor.
`TextDirectionHeuristic` | `getTextDirectionHeuristic()` Returns resolved `TextDirectionHeuristic` that will be used for text layout.
`Locale` | `getTextLocale()` Get the default primary `Locale` of the text in this TextView.
`LocaleList` | `getTextLocales()` Get the default `LocaleList` of the text in this TextView.
`PrecomputedText.Params` | `getTextMetricsParams()` Gets the parameters for text layout precomputation, for use with `PrecomputedText`.
`float` | `getTextScaleX()` Gets the extent by which text should be stretched horizontally.
`Drawable` | `getTextSelectHandle()` Returns the Drawable corresponding to the selection handle used for positioning the cursor within text.
`Drawable` | `getTextSelectHandleLeft()` Returns the Drawable corresponding to the left handle used for selecting text.
`Drawable` | `getTextSelectHandleRight()` Returns the Drawable corresponding to the right handle used for selecting text.
`float` | `getTextSize()`
`int` | `getTextSizeUnit()` Gets the text size unit defined by the developer.
`int` | `getTopPaddingOffset()` Amount by which to extend the top fading region.
`int` | `getTotalPaddingBottom()` Returns the total bottom padding of the view, including the bottom Drawable if any, the extra space to keep more than maxLines from showing, and the vertical offset for gravity, if any.
`int` | `getTotalPaddingEnd()` Returns the total end padding of the view, including the end Drawable if any.
`int` | `getTotalPaddingLeft()` Returns the total left padding of the view, including the left Drawable if any.
`int` | `getTotalPaddingRight()` Returns the total right padding of the view, including the right Drawable if any.
`int` | `getTotalPaddingStart()` Returns the total start padding of the view, including the start Drawable if any.
`int` | `getTotalPaddingTop()` Returns the total top padding of the view, including the top Drawable if any, the extra space to keep more than maxLines from showing, and the vertical offset for gravity, if any.
`final TransformationMethod` | `getTransformationMethod()` Gets the current `TransformationMethod` for the TextView.
`Typeface` | `getTypeface()` Gets the current `Typeface` that is used to style the text.
`URLSpan[]` | `getUrls()` Returns the list of `URLSpans` attached to the text (by `Linkify` or otherwise) if any.
`boolean` | `hasOverlappingRendering()` Returns whether this View has content which overlaps.
`boolean` | `hasSelection()` Return true iff there is a selection of nonzero length inside this text view.
`void` | `invalidateDrawable(Drawable drawable)` Invalidates the specified Drawable.
`boolean` | `isAllCaps()` Checks whether the transformation method applied to this TextView is set to ALL CAPS.
`boolean` | `isCursorVisible()`
`boolean` | `isElegantTextHeight()` Get the value of the TextView's elegant height metrics flag.
`boolean` | `isFallbackLineSpacing()`
`final boolean` | `isHorizontallyScrollable()` Returns whether the text is allowed to be wider than the View.
`boolean` | `isInputMethodTarget()` Returns whether this text view is a current input method target.
`boolean` | `isPaddingOffsetRequired()` If the View draws content inside its padding and enables fading edges, it needs to support padding offsets.
`boolean` | `isSingleLine()` Returns if the text is constrained to a single horizontally scrolling line ignoring new line characters instead of letting it wrap onto multiple lines.
`boolean` | `isSuggestionsEnabled()` Return whether or not suggestions are enabled on this TextView.
`boolean` | `isTextSelectable()` Returns the state of the `textIsSelectable` flag (See `setTextIsSelectable()`).
`void` | `jumpDrawablesToCurrentState()` Call `Drawable#jumpToCurrentState()` on all Drawable objects associated with this view.
`int` | `length()` Returns the length, in characters, of the text managed by this TextView
`boolean` | `moveCursorToVisibleOffset()` Move the cursor, if needed, so that it is at an offset that is visible to the user.
`void` | `onAttachedToWindow()` This is called when the view is attached to a window.
`void` | `onBeginBatchEdit()` Called by the framework in response to a request to begin a batch of edit operations through a call to link `beginBatchEdit()`.
`boolean` | `onCheckIsTextEditor()` Check whether the called view is a text editor, in which case it would make sense to automatically display a soft input window for it.
`void` | `onCommitCompletion(CompletionInfo text)` Called by the framework in response to a text completion from the current input method, provided by it calling `InputConnection#commitCompletion`.
`void` | `onCommitCorrection(CorrectionInfo info)` Called by the framework in response to a text auto-correction (such as fixing a typo using a dictionary) from the current input method, provided by it calling `InputConnection#commitCorrection(CorrectionInfo)`.
`void` | `onConfigurationChanged(Configuration newConfig)` Called when the current configuration of the resources being used by the application have changed.
`void` | `onCreateContextMenu(ContextMenu menu)` Views should implement this if the view itself is going to add items to the context menu.
`int[]` | `onCreateDrawableState(int extraSpace)` Generate the new `Drawable` state for this view.
`InputConnection` | `onCreateInputConnection(EditorInfo outAttrs)` Create a new InputConnection for an InputMethod to interact with the view.
`boolean` | `onDragEvent(DragEvent event)` Handles drag events sent by the system following a call to `startDragAndDrop()`.
`void` | `onDraw(Canvas canvas)` Implement this to do your drawing.
`void` | `onEditorAction(int actionCode)` Called when an attached input method calls `InputConnection#performEditorAction(int)` for this text view.
`void` | `onEndBatchEdit()` Called by the framework in response to a request to end a batch of edit operations through a call to link `endBatchEdit()`.
`void` | `onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect)` Called by the view system when the focus state of this view changes.
`boolean` | `onGenericMotionEvent(MotionEvent event)` Implement this method to handle generic motion events.
`boolean` | `onKeyDown(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback#onKeyDown(int, KeyEvent)`: perform press of the view when `KeyEvent#KEYCODE_DPAD_CENTER` or `KeyEvent#KEYCODE_ENTER` is released, if the view is enabled and clickable.
`boolean` | `onKeyMultiple(int keyCode, int repeatCount, KeyEvent event)` Default implementation of `KeyEvent.Callback#onKeyMultiple(int, int, KeyEvent)`: always returns false (doesn't handle the event).
`boolean` | `onKeyPreIme(int keyCode, KeyEvent event)` Handle a key event before it is processed by any input method associated with the view hierarchy.
`boolean` | `onKeyShortcut(int keyCode, KeyEvent event)` Called on the focused view when a key shortcut event is not handled.
`boolean` | `onKeyUp(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback#onKeyUp(int, KeyEvent)`: perform clicking of the view when `KeyEvent#KEYCODE_DPAD_CENTER`, `KeyEvent#KEYCODE_ENTER` or `KeyEvent#KEYCODE_SPACE` is released.
`void` | `onLayout(boolean changed, int left, int top, int right, int bottom)` Called from layout when this view should assign a size and position to each of its children.
`void` | `onMeasure(int widthMeasureSpec, int heightMeasureSpec)` Measure the view and its content to determine the measured width and the measured height.
`boolean` | `onPreDraw()` Callback method to be invoked when the view tree is about to be drawn.
`boolean` | `onPrivateIMECommand(String action, Bundle data)` Called by the framework in response to a private command from the current method, provided by it calling `InputConnection#performPrivateCommand`.
`PointerIcon` | `onResolvePointerIcon(MotionEvent event, int pointerIndex)` Returns the pointer icon for the motion event, or null if it doesn't specify the icon.
`void` | `onRestoreInstanceState(Parcelable state)` Hook allowing a view to re-apply a representation of its internal state that had previously been generated by `onSaveInstanceState()`.
`void` | `onRtlPropertiesChanged(int layoutDirection)` Called when any RTL property (layout direction or text direction or text alignment) has been changed.
`Parcelable` | `onSaveInstanceState()` Hook allowing a view to generate a representation of its internal state that can later be used to create a new instance with that same state.
`void` | `onScreenStateChanged(int screenState)` This method is called whenever the state of the screen this view is attached to changes.
`void` | `onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert)` This is called in response to an internal scroll in this view (i.e., the view scrolled its own contents).
`void` | `onSelectionChanged(int selStart, int selEnd)` This method is called when the selection has changed, in case any subclasses would like to know.
`void` | `onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter)` This method is called when the text is changed, in case any subclasses would like to know.
`boolean` | `onTextContextMenuItem(int id)` Called when a context menu option for the text view is selected.
`boolean` | `onTouchEvent(MotionEvent event)` Implement this method to handle touch screen motion events.
`boolean` | `onTrackballEvent(MotionEvent event)` Implement this method to handle trackball motion events.
`void` | `onVisibilityChanged(View changedView, int visibility)` Called when the visibility of the view or an ancestor of the view has changed.
`void` | `onWindowFocusChanged(boolean hasWindowFocus)` Called when the window containing this view gains or loses focus.
`boolean` | `performLongClick()` Calls this view's OnLongClickListener, if it is defined.
`void` | `removeTextChangedListener(TextWatcher watcher)` Removes the specified TextWatcher from the list of those whose methods are called whenever this TextView's text changes.
`void` | `sendAccessibilityEventUnchecked(AccessibilityEvent event)` This method behaves exactly as `sendAccessibilityEvent(int)` but takes as an argument an empty `AccessibilityEvent` and does not perform a check whether accessibility is enabled.
`void` | `setAllCaps(boolean allCaps)` Sets the properties of this field to transform input to ALL CAPS display.
`final void` | `setAutoLinkMask(int mask)` Sets the autolink mask of the text.
`void` | `setAutoSizeTextTypeUniformWithConfiguration(int autoSizeMinTextSize, int autoSizeMaxTextSize, int autoSizeStepGranularity, int unit)` Specify whether this widget should automatically scale the text to try to perfectly fit within the layout bounds.
`void` | `setAutoSizeTextTypeUniformWithPresetSizes(int[] presetSizes, int unit)` Specify whether this widget should automatically scale the text to try to perfectly fit within the layout bounds.
`void` | `setAutoSizeTextTypeWithDefaults(int autoSizeTextType)` Specify whether this widget should automatically scale the text to try to perfectly fit within the layout bounds by using the default auto-size configuration.
`void` | `setBreakStrategy(int breakStrategy)` Sets the break strategy for breaking paragraphs into lines.
`void` | `setCompoundDrawablePadding(int pad)` Sets the size of the padding between the compound drawables and the text.
`void` | `setCompoundDrawableTintBlendMode(BlendMode blendMode)` Specifies the blending mode used to apply the tint specified by `setCompoundDrawableTintList(android.content.res.ColorStateList)` to the compound drawables.
`void` | `setCompoundDrawableTintList(ColorStateList tint)` Applies a tint to the compound drawables.
`void` | `setCompoundDrawableTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setCompoundDrawableTintList(android.content.res.ColorStateList)` to the compound drawables.
`void` | `setCompoundDrawables(Drawable left, Drawable top, Drawable right, Drawable bottom)` Sets the Drawables (if any) to appear to the left of, above, to the right of, and below the text.
`void` | `setCompoundDrawablesRelative(Drawable start, Drawable top, Drawable end, Drawable bottom)` Sets the Drawables (if any) to appear to the start of, above, to the end of, and below the text.
`void` | `setCompoundDrawablesRelativeWithIntrinsicBounds(Drawable start, Drawable top, Drawable end, Drawable bottom)` Sets the Drawables (if any) to appear to the start of, above, to the end of, and below the text.
`void` | `setCompoundDrawablesRelativeWithIntrinsicBounds(int start, int top, int end, int bottom)` Sets the Drawables (if any) to appear to the start of, above, to the end of, and below the text.
`void` | `setCompoundDrawablesWithIntrinsicBounds(Drawable left, Drawable top, Drawable right, Drawable bottom)` Sets the Drawables (if any) to appear to the left of, above, to the right of, and below the text.
`void` | `setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom)` Sets the Drawables (if any) to appear to the left of, above, to the right of, and below the text.
`void` | `setCursorVisible(boolean visible)` Set whether the cursor is visible.
`void` | `setCustomInsertionActionModeCallback(ActionMode.Callback actionModeCallback)` If provided, this ActionMode.Callback will be used to create the ActionMode when text insertion is initiated in this View.
`void` | `setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback)` If provided, this ActionMode.Callback will be used to create the ActionMode when text selection is initiated in this View.
`final void` | `setEditableFactory(Editable.Factory factory)` Sets the Factory used to create new `Editable`.
`void` | `setElegantTextHeight(boolean elegant)` Set the TextView's elegant height metrics flag.
`void` | `setEllipsize(TextUtils.TruncateAt where)` Causes words in the text that are longer than the view's width to be ellipsized instead of broken in the middle.
`void` | `setEms(int ems)` Sets the width of the TextView to be exactly `ems` wide.
`void` | `setEnabled(boolean enabled)` Set the enabled state of this view.
`void` | `setError(CharSequence error)` Sets the right-hand compound drawable of the TextView to the "error" icon and sets an error message that will be displayed in a popup when the TextView has focus.
`void` | `setError(CharSequence error, Drawable icon)` Sets the right-hand compound drawable of the TextView to the specified icon and sets an error message that will be displayed in a popup when the TextView has focus.
`void` | `setExtractedText(ExtractedText text)` Apply to this text view the given extracted text, as previously returned by `extractText(android.view.inputmethod.ExtractedTextRequest, android.view.inputmethod.ExtractedText)`.
`void` | `setFallbackLineSpacing(boolean enabled)` Set whether to respect the ascent and descent of the fallback fonts that are used in displaying the text (which is needed to avoid text from consecutive lines running into each other).
`void` | `setFilters(InputFilter[] filters)` Sets the list of input filters that will be used if the buffer is Editable.
`void` | `setFirstBaselineToTopHeight(int firstBaselineToTopHeight)` Updates the top padding of the TextView so that `firstBaselineToTopHeight` is the distance between the top of the TextView and first line's baseline.
`void` | `setFontFeatureSettings(String fontFeatureSettings)` Sets font feature settings.
`boolean` | `setFontVariationSettings(String fontVariationSettings)` Sets TrueType or OpenType font variation settings.
`boolean` | `setFrame(int l, int t, int r, int b)`
`void` | `setFreezesText(boolean freezesText)` Control whether this text view saves its entire text contents when freezing to an icicle, in addition to dynamic state such as cursor position.
`void` | `setGravity(int gravity)` Sets the horizontal alignment of the text and the vertical gravity that will be used when there is extra space in the TextView beyond what is required for the text itself.
`void` | `setHeight(int pixels)` Sets the height of the TextView to be exactly `pixels` tall.
`void` | `setHighlightColor(int color)` Sets the color used to display the selection highlight.
`final void` | `setHint(CharSequence hint)` Sets the text to be displayed when the text of the TextView is empty.
`final void` | `setHint(int resid)` Sets the text to be displayed when the text of the TextView is empty, from a resource.
`final void` | `setHintTextColor(ColorStateList colors)` Sets the color of the hint text.
`final void` | `setHintTextColor(int color)` Sets the color of the hint text for all the states (disabled, focussed, selected...) of this TextView.
`void` | `setHorizontallyScrolling(boolean whether)` Sets whether the text should be allowed to be wider than the View is.
`void` | `setHyphenationFrequency(int hyphenationFrequency)` Sets the frequency of automatic hyphenation to use when determining word breaks.
`void` | `setImeActionLabel(CharSequence label, int actionId)` Change the custom IME action associated with the text view, which will be reported to an IME with `EditorInfo#actionLabel` and `EditorInfo#actionId` when it has focus.
`void` | `setImeHintLocales(LocaleList hintLocales)` Change "hint" locales associated with the text view, which will be reported to an IME with `EditorInfo#hintLocales` when it has focus.
`void` | `setImeOptions(int imeOptions)` Change the editor type integer associated with the text view, which is reported to an Input Method Editor (IME) with `EditorInfo#imeOptions` when it has focus.
`void` | `setIncludeFontPadding(boolean includepad)` Set whether the TextView includes extra top and bottom padding to make room for accents that go above the normal ascent and descent.
`void` | `setInputExtras(int xmlResId)` Set the extra input data of the text, which is the `EditorInfo#extras` Bundle that will be filled in when creating an input connection.
`void` | `setInputType(int type)` Set the type of the content with a constant as defined for `EditorInfo#inputType`.
`void` | `setJustificationMode(int justificationMode)` Set justification mode.
`void` | `setKeyListener(KeyListener input)` Sets the key listener to be used with this TextView.
`void` | `setLastBaselineToBottomHeight(int lastBaselineToBottomHeight)` Updates the bottom padding of the TextView so that `lastBaselineToBottomHeight` is the distance between the bottom of the TextView and the last line's baseline.
`void` | `setLetterSpacing(float letterSpacing)` Sets text letter-spacing in em units.
`void` | `setLineHeight(int lineHeight)` Sets an explicit line height for this TextView.
`void` | `setLineSpacing(float add, float mult)` Sets line spacing for this TextView.
`void` | `setLines(int lines)` Sets the height of the TextView to be exactly `lines` tall.
`final void` | `setLinkTextColor(ColorStateList colors)` Sets the color of links in the text.
`final void` | `setLinkTextColor(int color)` Sets the color of links in the text.
`final void` | `setLinksClickable(boolean whether)` Sets whether the movement method will automatically be set to `LinkMovementMethod` if `setAutoLinkMask(int)` has been set to nonzero and links are detected in `setText(char[], int, int)`.
`void` | `setMarqueeRepeatLimit(int marqueeLimit)` Sets how many times to repeat the marquee animation.
`void` | `setMaxEms(int maxEms)` Sets the width of the TextView to be at most `maxEms` wide.
`void` | `setMaxHeight(int maxPixels)` Sets the height of the TextView to be at most `maxPixels` tall.
`void` | `setMaxLines(int maxLines)` Sets the height of the TextView to be at most `maxLines` tall.
`void` | `setMaxWidth(int maxPixels)` Sets the width of the TextView to be at most `maxPixels` wide.
`void` | `setMinEms(int minEms)` Sets the width of the TextView to be at least `minEms` wide.
`void` | `setMinHeight(int minPixels)` Sets the height of the TextView to be at least `minPixels` tall.
`void` | `setMinLines(int minLines)` Sets the height of the TextView to be at least `minLines` tall.
`void` | `setMinWidth(int minPixels)` Sets the width of the TextView to be at least `minPixels` wide.
`final void` | `setMovementMethod(MovementMethod movement)` Sets the `MovementMethod` for handling arrow key movement for this TextView.
`void` | `setOnEditorActionListener(TextView.OnEditorActionListener l)` Set a special listener to be called when an action is performed on the text view.
`void` | `setPadding(int left, int top, int right, int bottom)` Sets the padding.
`void` | `setPaddingRelative(int start, int top, int end, int bottom)` Sets the relative padding.
`void` | `setPaintFlags(int flags)` Sets flags on the Paint being used to display the text and reflows the text if they are different from the old flags.
`void` | `setPrivateImeOptions(String type)` Set the private content type of the text, which is the `EditorInfo#privateImeOptions` field that will be filled in when creating an input connection.
`void` | `setRawInputType(int type)` Directly change the content type integer of the text view, without modifying any other state.
`void` | `setScroller(Scroller s)` Sets the Scroller used for producing a scrolling animation
`void` | `setSelectAllOnFocus(boolean selectAllOnFocus)` Set the TextView so that when it takes focus, all the text is selected.
`void` | `setSelected(boolean selected)` Changes the selection state of this view.
`void` | `setShadowLayer(float radius, float dx, float dy, int color)` Gives the text a shadow of the specified blur radius and color, the specified distance from its drawn position.
`final void` | `setShowSoftInputOnFocus(boolean show)` Sets whether the soft input method will be made visible when this TextView gets focused.
`void` | `setSingleLine(boolean singleLine)` If true, sets the properties of this field (number of lines, horizontally scrolling, transformation method) to be for a single-line input; if false, restores these to the default conditions.
`void` | `setSingleLine()` Sets the properties of this field (lines, horizontally scrolling, transformation method) to be for a single-line input.
`final void` | `setSpannableFactory(Spannable.Factory factory)` Sets the Factory used to create new `Spannable`.
`final void` | `setText(int resid)` Sets the text to be displayed using a string resource identifier.
`final void` | `setText(CharSequence text)` Sets the text to be displayed.
`void` | `setText(CharSequence text, TextView.BufferType type)` Sets the text to be displayed and the `TextView.BufferType`.
`final void` | `setText(int resid, TextView.BufferType type)` Sets the text to be displayed using a string resource identifier and the `TextView.BufferType`.
`final void` | `setText(char[] text, int start, int len)` Sets the TextView to display the specified slice of the specified char array.
`void` | `setTextAppearance(Context context, int resId)` This method is deprecated. Use `setTextAppearance(int)` instead.
`void` | `setTextAppearance(int resId)` Sets the text appearance from the specified style resource.
`void` | `setTextClassifier(TextClassifier textClassifier)` Sets the `TextClassifier` for this TextView.
`void` | `setTextColor(int color)` Sets the text color for all the states (normal, selected, focused) to be this color.
`void` | `setTextColor(ColorStateList colors)` Sets the text color.
`void` | `setTextCursorDrawable(Drawable textCursorDrawable)` Sets the Drawable corresponding to the text cursor.
`void` | `setTextCursorDrawable(int textCursorDrawable)` Sets the Drawable corresponding to the text cursor.
`void` | `setTextIsSelectable(boolean selectable)` Sets whether the content of this view is selectable by the user.
`final void` | `setTextKeepState(CharSequence text)` Sets the text to be displayed but retains the cursor position.
`final void` | `setTextKeepState(CharSequence text, TextView.BufferType type)` Sets the text to be displayed and the `TextView.BufferType` but retains the cursor position.
`void` | `setTextLocale(Locale locale)` Set the default `Locale` of the text in this TextView to a one-member `LocaleList` containing just the given Locale.
`void` | `setTextLocales(LocaleList locales)` Set the default `LocaleList` of the text in this TextView to the given value.
`void` | `setTextMetricsParams(PrecomputedText.Params params)` Apply the text layout parameter.
`void` | `setTextScaleX(float size)` Sets the horizontal scale factor for text.
`void` | `setTextSelectHandle(int textSelectHandle)` Sets the Drawable corresponding to the selection handle used for positioning the cursor within text.
`void` | `setTextSelectHandle(Drawable textSelectHandle)` Sets the Drawable corresponding to the selection handle used for positioning the cursor within text.
`void` | `setTextSelectHandleLeft(int textSelectHandleLeft)` Sets the Drawable corresponding to the left handle used for selecting text.
`void` | `setTextSelectHandleLeft(Drawable textSelectHandleLeft)` Sets the Drawable corresponding to the left handle used for selecting text.
`void` | `setTextSelectHandleRight(Drawable textSelectHandleRight)` Sets the Drawable corresponding to the right handle used for selecting text.
`void` | `setTextSelectHandleRight(int textSelectHandleRight)` Sets the Drawable corresponding to the right handle used for selecting text.
`void` | `setTextSize(int unit, float size)` Set the default text size to a given unit and value.
`void` | `setTextSize(float size)` Set the default text size to the given value, interpreted as "scaled pixel" units.
`final void` | `setTransformationMethod(TransformationMethod method)` Sets the transformation that is applied to the text that this TextView is displaying.
`void` | `setTypeface(Typeface tf)` Sets the typeface and style in which the text should be displayed.
`void` | `setTypeface(Typeface tf, int style)` Sets the typeface and style in which the text should be displayed, and turns on the fake bold and italic bits in the Paint if the Typeface that you provided does not have all the bits in the style that you specified.
`void` | `setWidth(int pixels)` Sets the width of the TextView to be exactly `pixels` wide.
`boolean` | `showContextMenu()` Shows the context menu for this view.
`boolean` | `showContextMenu(float x, float y)` Shows the context menu for this view anchored to the specified view-relative coordinate.
`boolean` | `verifyDrawable(Drawable who)` If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying.
From class `android.view.View`
`void` | `addChildrenForAccessibility(ArrayList<View> outChildren)` Adds the children of this View relevant for accessibility to the given list as output.
`void` | `addExtraDataToAccessibilityNodeInfo(AccessibilityNodeInfo info, String extraDataKey, Bundle arguments)` Adds extra data to an `AccessibilityNodeInfo` based on an explicit request for the additional data.
`void` | `addFocusables(ArrayList<View> views, int direction)` Add any focusable views that are descendants of this view (possibly including this view if it is focusable itself) to views.
`void` | `addFocusables(ArrayList<View> views, int direction, int focusableMode)` Adds any focusable views that are descendants of this view (possibly including this view if it is focusable itself) to views.
`void` | `addKeyboardNavigationClusters(Collection<View> views, int direction)` Adds any keyboard navigation cluster roots that are descendants of this view (possibly including this view if it is a cluster root itself) to views.
`void` | `addOnAttachStateChangeListener(View.OnAttachStateChangeListener listener)` Add a listener for attach state changes.
`void` | `addOnLayoutChangeListener(View.OnLayoutChangeListener listener)` Add a listener that will be called when the bounds of the view change due to layout processing.
`void` | `addOnUnhandledKeyEventListener(View.OnUnhandledKeyEventListener listener)` Adds a listener which will receive unhandled `KeyEvent`s.
`void` | `addTouchables(ArrayList<View> views)` Add any touchable views that are descendants of this view (possibly including this view if it is touchable itself) to views.
`ViewPropertyAnimator` | `animate()` This method returns a ViewPropertyAnimator object, which can be used to animate specific properties on this View.
`void` | `announceForAccessibility(CharSequence text)` Convenience method for sending a `AccessibilityEvent#TYPE_ANNOUNCEMENT` `AccessibilityEvent` to suggest that an accessibility service announce the specified text to its users.
`void` | `autofill(AutofillValue value)` Automatically fills the content of this view with the `value`.
`void` | `autofill(SparseArray<AutofillValue> values)` Automatically fills the content of the virtual children within this view.
`boolean` | `awakenScrollBars(int startDelay, boolean invalidate)` Trigger the scrollbars to draw.
`boolean` | `awakenScrollBars(int startDelay)` Trigger the scrollbars to draw.
`boolean` | `awakenScrollBars()` Trigger the scrollbars to draw.
`void` | `bringToFront()` Change the view's z order in the tree, so it's on top of other sibling views.
`void` | `buildDrawingCache(boolean autoScale)` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`void` | `buildDrawingCache()` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`void` | `buildLayer()` Forces this view's layer to be created and this view to be rendered into its layer.
`boolean` | `callOnClick()` Directly call any attached OnClickListener.
`boolean` | `canResolveLayoutDirection()` Check if layout direction resolution can be done.
`boolean` | `canResolveTextAlignment()` Check if text alignment resolution can be done.
`boolean` | `canResolveTextDirection()` Check if text direction resolution can be done.
`boolean` | `canScrollHorizontally(int direction)` Check if this view can be scrolled horizontally in a certain direction.
`boolean` | `canScrollVertically(int direction)` Check if this view can be scrolled vertically in a certain direction.
`final void` | `cancelDragAndDrop()` Cancels an ongoing drag and drop operation.
`void` | `cancelLongPress()` Cancels a pending long press.
`final void` | `cancelPendingInputEvents()` Cancel any deferred high-level input events that were previously posted to the event queue.
`boolean` | `checkInputConnectionProxy(View view)` Called by the `InputMethodManager` when a view who is not the current input connection target is trying to make a call on the manager.
`void` | `clearAnimation()` Cancels any animations for this view.
`void` | `clearFocus()` Called when this view wants to give up focus.
`static int` | `combineMeasuredStates(int curState, int newState)` Merge two states as returned by `getMeasuredState()`.
`int` | `computeHorizontalScrollExtent()` Compute the horizontal extent of the horizontal scrollbar's thumb within the horizontal range.
`int` | `computeHorizontalScrollOffset()` Compute the horizontal offset of the horizontal scrollbar's thumb within the horizontal range.
`int` | `computeHorizontalScrollRange()` Compute the horizontal range that the horizontal scrollbar represents.
`void` | `computeScroll()` Called by a parent to request that a child update its values for mScrollX and mScrollY if necessary.
`WindowInsets` | `computeSystemWindowInsets(WindowInsets in, Rect outLocalInsets)` Compute insets that should be consumed by this view and the ones that should propagate to those under it.
`int` | `computeVerticalScrollExtent()` Compute the vertical extent of the vertical scrollbar's thumb within the vertical range.
`int` | `computeVerticalScrollOffset()` Compute the vertical offset of the vertical scrollbar's thumb within the horizontal range.
`int` | `computeVerticalScrollRange()` Compute the vertical range that the vertical scrollbar represents.
`AccessibilityNodeInfo` | `createAccessibilityNodeInfo()` Returns an `AccessibilityNodeInfo` representing this view from the point of view of an `AccessibilityService`.
`void` | `createContextMenu(ContextMenu menu)` Show the context menu for this view.
`void` | `destroyDrawingCache()` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`WindowInsets` | `dispatchApplyWindowInsets(WindowInsets insets)` Request to apply the given window insets to this view or another view in its subtree.
`boolean` | `dispatchCapturedPointerEvent(MotionEvent event)` Pass a captured pointer event down to the focused view.
`void` | `dispatchConfigurationChanged(Configuration newConfig)` Dispatch a notification about a resource configuration change down the view hierarchy.
`void` | `dispatchDisplayHint(int hint)` Dispatch a hint about whether this view is displayed.
`boolean` | `dispatchDragEvent(DragEvent event)` Detects if this View is enabled and has a drag event listener.
`void` | `dispatchDraw(Canvas canvas)` Called by draw to draw the child views.
`void` | `dispatchDrawableHotspotChanged(float x, float y)` Dispatches drawableHotspotChanged to all of this View's children.
`void` | `dispatchFinishTemporaryDetach()` Dispatch `onFinishTemporaryDetach()` to this View and its direct children if this is a container View.
`boolean` | `dispatchGenericFocusedEvent(MotionEvent event)` Dispatch a generic motion event to the currently focused view.
`boolean` | `dispatchGenericMotionEvent(MotionEvent event)` Dispatch a generic motion event.
`boolean` | `dispatchGenericPointerEvent(MotionEvent event)` Dispatch a generic motion event to the view under the first pointer.
`boolean` | `dispatchHoverEvent(MotionEvent event)` Dispatch a hover event.
`boolean` | `dispatchKeyEvent(KeyEvent event)` Dispatch a key event to the next view on the focus path.
`boolean` | `dispatchKeyEventPreIme(KeyEvent event)` Dispatch a key event before it is processed by any input method associated with the view hierarchy.
`boolean` | `dispatchKeyShortcutEvent(KeyEvent event)` Dispatches a key shortcut event.
`boolean` | `dispatchNestedFling(float velocityX, float velocityY, boolean consumed)` Dispatch a fling to a nested scrolling parent.
`boolean` | `dispatchNestedPreFling(float velocityX, float velocityY)` Dispatch a fling to a nested scrolling parent before it is processed by this view.
`boolean` | `dispatchNestedPrePerformAccessibilityAction(int action, Bundle arguments)` Report an accessibility action to this view's parents for delegated processing.
`boolean` | `dispatchNestedPreScroll(int dx, int dy, int[] consumed, int[] offsetInWindow)` Dispatch one step of a nested scroll in progress before this view consumes any portion of it.
`boolean` | `dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow)` Dispatch one step of a nested scroll in progress.
`void` | `dispatchPointerCaptureChanged(boolean hasCapture)`
`boolean` | `dispatchPopulateAccessibilityEvent(AccessibilityEvent event)` Dispatches an `AccessibilityEvent` to the `View` first and then to its children for adding their text content to the event.
`void` | `dispatchProvideAutofillStructure(ViewStructure structure, int flags)` Dispatches creation of a `ViewStructure`s for autofill purposes down the hierarchy, when an Assist structure is being created as part of an autofill request.
`void` | `dispatchProvideStructure(ViewStructure structure)` Dispatch creation of `ViewStructure` down the hierarchy.
`void` | `dispatchRestoreInstanceState(SparseArray<Parcelable> container)` Called by `restoreHierarchyState(android.util.SparseArray)` to retrieve the state for this view and its children.
`void` | `dispatchSaveInstanceState(SparseArray<Parcelable> container)` Called by `saveHierarchyState(android.util.SparseArray)` to store the state for this view and its children.
`void` | `dispatchSetActivated(boolean activated)` Dispatch setActivated to all of this View's children.
`void` | `dispatchSetPressed(boolean pressed)` Dispatch setPressed to all of this View's children.
`void` | `dispatchSetSelected(boolean selected)` Dispatch setSelected to all of this View's children.
`void` | `dispatchStartTemporaryDetach()` Dispatch `onStartTemporaryDetach()` to this View and its direct children if this is a container View.
`void` | `dispatchSystemUiVisibilityChanged(int visibility)` This method is deprecated. Use `WindowInsets#isVisible(int)` to find out about system bar visibilities by setting a `OnApplyWindowInsetsListener` on this view.
`boolean` | `dispatchTouchEvent(MotionEvent event)` Pass the touch screen motion event down to the target view, or this view if it is the target.
`boolean` | `dispatchTrackballEvent(MotionEvent event)` Pass a trackball motion event down to the focused view.
`boolean` | `dispatchUnhandledMove(View focused, int direction)` This method is the last chance for the focused view and its ancestors to respond to an arrow key.
`void` | `dispatchVisibilityChanged(View changedView, int visibility)` Dispatch a view visibility change down the view hierarchy.
`void` | `dispatchWindowFocusChanged(boolean hasFocus)` Called when the window containing this view gains or loses window focus.
`void` | `dispatchWindowInsetsAnimationEnd(WindowInsetsAnimation animation)` Dispatches `WindowInsetsAnimation.Callback#onEnd(WindowInsetsAnimation)` when Window Insets animation ends.
`void` | `dispatchWindowInsetsAnimationPrepare(WindowInsetsAnimation animation)` Dispatches `WindowInsetsAnimation.Callback#onPrepare(WindowInsetsAnimation)` when Window Insets animation is being prepared.
`WindowInsets` | `dispatchWindowInsetsAnimationProgress(WindowInsets insets, List<WindowInsetsAnimation> runningAnimations)` Dispatches `WindowInsetsAnimation.Callback#onProgress(WindowInsets, List)` when Window Insets animation makes progress.
`WindowInsetsAnimation.Bounds` | `dispatchWindowInsetsAnimationStart(WindowInsetsAnimation animation, WindowInsetsAnimation.Bounds bounds)` Dispatches `WindowInsetsAnimation.Callback#onStart(WindowInsetsAnimation, Bounds)` when Window Insets animation is started.
`void` | `dispatchWindowSystemUiVisiblityChanged(int visible)` This method is deprecated. SystemUiVisibility flags are deprecated. Use `WindowInsetsController` instead.
`void` | `dispatchWindowVisibilityChanged(int visibility)` Dispatch a window visibility change down the view hierarchy.
`void` | `draw(Canvas canvas)` Manually render this view (and all of its children) to the given Canvas.
`void` | `drawableHotspotChanged(float x, float y)` This function is called whenever the view hotspot changes and needs to be propagated to drawables or child views managed by the view.
`void` | `drawableStateChanged()` This function is called whenever the state of the view changes in such a way that it impacts the state of drawables being shown.
`View` | `findFocus()` Find the view in the hierarchy rooted at this view that currently has focus.
`final <T extends View> T` | `findViewById(int id)` Finds the first descendant view with the given ID, the view itself if the ID matches `getId()`, or `null` if the ID is invalid (< 0) or there is no matching view in the hierarchy.
`final <T extends View> T` | `findViewWithTag(Object tag)` Look for a child view with the given tag.
`void` | `findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags)` Finds the Views that contain given text.
`boolean` | `fitSystemWindows(Rect insets)` This method is deprecated. As of API 20 use `dispatchApplyWindowInsets(android.view.WindowInsets)` to apply insets to views. Views should override `onApplyWindowInsets(android.view.WindowInsets)` or use `setOnApplyWindowInsetsListener(android.view.View.OnApplyWindowInsetsListener)` to implement handling their own insets.
`View` | `focusSearch(int direction)` Find the nearest view in the specified direction that can take focus.
`void` | `forceHasOverlappingRendering(boolean hasOverlappingRendering)` Sets the behavior for overlapping rendering for this view (see `hasOverlappingRendering()` for more details on this behavior).
`void` | `forceLayout()` Forces this view to be laid out during the next layout pass.
`static int` | `generateViewId()` Generate a value suitable for use in `setId(int)`.
`CharSequence` | `getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.
`View.AccessibilityDelegate` | `getAccessibilityDelegate()` Returns the delegate for implementing accessibility support via composition.
`int` | `getAccessibilityLiveRegion()` Gets the live region mode for this View.
`AccessibilityNodeProvider` | `getAccessibilityNodeProvider()` Gets the provider for managing a virtual view hierarchy rooted at this View and reported to `AccessibilityService`s that explore the window content.
`CharSequence` | `getAccessibilityPaneTitle()` Get the title of the pane for purposes of accessibility.
`int` | `getAccessibilityTraversalAfter()` Gets the id of a view after which this one is visited in accessibility traversal.
`int` | `getAccessibilityTraversalBefore()` Gets the id of a view before which this one is visited in accessibility traversal.
`float` | `getAlpha()` The opacity of the view.
`Animation` | `getAnimation()` Get the animation currently associated with this view.
`Matrix` | `getAnimationMatrix()` Return the current transformation matrix of the view.
`IBinder` | `getApplicationWindowToken()` Retrieve a unique token identifying the top-level "real" window of the window that this view is attached to.
`int[]` | `getAttributeResolutionStack(int attribute)` Returns the ordered list of resource ID that are considered when resolving attribute values for this `View`.
`Map<Integer, Integer>` | `getAttributeSourceResourceMap()` Returns the mapping of attribute resource ID to source resource ID where the attribute value was set.
`String[]` | `getAutofillHints()` Gets the hints that help an `AutofillService` determine how to autofill the view with the user's data.
`final AutofillId` | `getAutofillId()` Gets the unique, logical identifier of this view in the activity, for autofill purposes.
`int` | `getAutofillType()` Describes the autofill type of this view, so an `AutofillService` can create the proper `AutofillValue` when autofilling the view.
`AutofillValue` | `getAutofillValue()` Gets the `View`'s current autofill value.
`Drawable` | `getBackground()` Gets the background drawable
`BlendMode` | `getBackgroundTintBlendMode()` Return the blending mode used to apply the tint to the background drawable, if specified.
`ColorStateList` | `getBackgroundTintList()` Return the tint applied to the background drawable, if specified.
`PorterDuff.Mode` | `getBackgroundTintMode()` Return the blending mode used to apply the tint to the background drawable, if specified.
`int` | `getBaseline()` Return the offset of the widget's text baseline from the widget's top boundary.
`final int` | `getBottom()` Bottom position of this view relative to its parent.
`float` | `getBottomFadingEdgeStrength()` Returns the strength, or intensity, of the bottom faded edge.
`int` | `getBottomPaddingOffset()` Amount by which to extend the bottom fading region.
`float` | `getCameraDistance()` Gets the distance along the Z axis from the camera to this view.
`boolean` | `getClipBounds(Rect outRect)` Populates an output rectangle with the clip bounds of the view, returning `true` if successful or `false` if the view's clip bounds are `null`.
`Rect` | `getClipBounds()` Returns a copy of the current `clipBounds`.
`final boolean` | `getClipToOutline()` Returns whether the Outline should be used to clip the contents of the View.
`final ContentCaptureSession` | `getContentCaptureSession()` Gets the session used to notify content capture events.
`CharSequence` | `getContentDescription()` Returns the `View`'s content description.
`final Context` | `getContext()` Returns the context the view is running in, through which it can access the current theme, resources, etc.
`ContextMenu.ContextMenuInfo` | `getContextMenuInfo()` Views should implement this if they have extra information to associate with the context menu.
`final boolean` | `getDefaultFocusHighlightEnabled()` /** Returns whether this View should use a default focus highlight when it gets focused but doesn't have `R.attr.state_focused` defined in its background.
`static int` | `getDefaultSize(int size, int measureSpec)` Utility to return a default size.
`Display` | `getDisplay()` Gets the logical display to which the view's window has been attached.
`final int[]` | `getDrawableState()` Return an array of resource IDs of the drawable states representing the current state of the view.
`Bitmap` | `getDrawingCache()` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`Bitmap` | `getDrawingCache(boolean autoScale)` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`int` | `getDrawingCacheBackgroundColor()` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`int` | `getDrawingCacheQuality()` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`void` | `getDrawingRect(Rect outRect)` Return the visible drawing bounds of your view.
`long` | `getDrawingTime()` Return the time at which the drawing of the view hierarchy started.
`float` | `getElevation()` The base elevation of this view relative to its parent, in pixels.
`int` | `getExplicitStyle()` Returns the resource ID for the style specified using `style="..."` in the `AttributeSet`'s backing XML element or `Resources#ID_NULL` otherwise if not specified or otherwise not applicable.
`boolean` | `getFilterTouchesWhenObscured()` Gets whether the framework should discard touches when the view's window is obscured by another visible window.
`boolean` | `getFitsSystemWindows()` Check for state of `setFitsSystemWindows(boolean)`.
`int` | `getFocusable()` Returns the focusable setting for this view.
`ArrayList<View>` | `getFocusables(int direction)` Find and return all focusable views that are descendants of this view, possibly including this view if it is focusable itself.
`void` | `getFocusedRect(Rect r)` When a view has focus and the user navigates away from it, the next view is searched for starting from the rectangle filled in by this method.
`Drawable` | `getForeground()` Returns the drawable used as the foreground of this View.
`int` | `getForegroundGravity()` Describes how the foreground is positioned.
`BlendMode` | `getForegroundTintBlendMode()` Return the blending mode used to apply the tint to the foreground drawable, if specified.
`ColorStateList` | `getForegroundTintList()` Return the tint applied to the foreground drawable, if specified.
`PorterDuff.Mode` | `getForegroundTintMode()` Return the blending mode used to apply the tint to the foreground drawable, if specified.
`final boolean` | `getGlobalVisibleRect(Rect r)`
`boolean` | `getGlobalVisibleRect(Rect r, Point globalOffset)` If some part of this view is not clipped by any of its parents, then return that area in r in global (root) coordinates.
`Handler` | `getHandler()`
`final boolean` | `getHasOverlappingRendering()` Returns the value for overlapping rendering that is used internally.
`final int` | `getHeight()` Return the height of your view.
`void` | `getHitRect(Rect outRect)` Hit rectangle in parent's coordinates
`int` | `getHorizontalFadingEdgeLength()` Returns the size of the horizontal faded edges used to indicate that more content in this view is visible.
`int` | `getHorizontalScrollbarHeight()` Returns the height of the horizontal scrollbar.
`Drawable` | `getHorizontalScrollbarThumbDrawable()` Returns the currently configured Drawable for the thumb of the horizontal scroll bar if it exists, null otherwise.
`Drawable` | `getHorizontalScrollbarTrackDrawable()` Returns the currently configured Drawable for the track of the horizontal scroll bar if it exists, null otherwise.
`int` | `getId()` Returns this view's identifier.
`int` | `getImportantForAccessibility()` Gets the mode for determining whether this View is important for accessibility.
`int` | `getImportantForAutofill()` Gets the mode for determining whether this view is important for autofill.
`int` | `getImportantForContentCapture()` Gets the mode for determining whether this view is important for content capture.
`boolean` | `getKeepScreenOn()` Returns whether the screen should remain on, corresponding to the current value of `KEEP_SCREEN_ON`.
`KeyEvent.DispatcherState` | `getKeyDispatcherState()` Return the global `KeyEvent.DispatcherState` for this view's window.
`int` | `getLabelFor()` Gets the id of a view for which this view serves as a label for accessibility purposes.
`int` | `getLayerType()` Indicates what type of layer is currently associated with this view.
`int` | `getLayoutDirection()` Returns the resolved layout direction for this view.
`ViewGroup.LayoutParams` | `getLayoutParams()` Get the LayoutParams associated with this view.
`final int` | `getLeft()` Left position of this view relative to its parent.
`float` | `getLeftFadingEdgeStrength()` Returns the strength, or intensity, of the left faded edge.
`int` | `getLeftPaddingOffset()` Amount by which to extend the left fading region.
`final boolean` | `getLocalVisibleRect(Rect r)`
`void` | `getLocationInSurface(int[] location)` Compute the view's coordinate within the surface.
`void` | `getLocationInWindow(int[] outLocation)` Computes the coordinates of this view in its window.
`void` | `getLocationOnScreen(int[] outLocation)` Computes the coordinates of this view on the screen.
`Matrix` | `getMatrix()` The transform matrix of this view, which is calculated based on the current rotation, scale, and pivot properties.
`final int` | `getMeasuredHeight()` Like `getMeasuredHeightAndState()`, but only returns the raw height component (that is the result is masked by `MEASURED_SIZE_MASK`).
`final int` | `getMeasuredHeightAndState()` Return the full height measurement information for this view as computed by the most recent call to `measure(int, int)`.
`final int` | `getMeasuredState()` Return only the state bits of `getMeasuredWidthAndState()` and `getMeasuredHeightAndState()`, combined into one integer.
`final int` | `getMeasuredWidth()` Like `getMeasuredWidthAndState()`, but only returns the raw width component (that is the result is masked by `MEASURED_SIZE_MASK`).
`final int` | `getMeasuredWidthAndState()` Return the full width measurement information for this view as computed by the most recent call to `measure(int, int)`.
`int` | `getMinimumHeight()` Returns the minimum height of the view.
`int` | `getMinimumWidth()` Returns the minimum width of the view.
`int` | `getNextClusterForwardId()` Gets the id of the root of the next keyboard navigation cluster.
`int` | `getNextFocusDownId()` Gets the id of the view to use when the next focus is `FOCUS_DOWN`.
`int` | `getNextFocusForwardId()` Gets the id of the view to use when the next focus is `FOCUS_FORWARD`.
`int` | `getNextFocusLeftId()` Gets the id of the view to use when the next focus is `FOCUS_LEFT`.
`int` | `getNextFocusRightId()` Gets the id of the view to use when the next focus is `FOCUS_RIGHT`.
`int` | `getNextFocusUpId()` Gets the id of the view to use when the next focus is `FOCUS_UP`.
`View.OnFocusChangeListener` | `getOnFocusChangeListener()` Returns the focus-change callback registered for this view.
`int` | `getOutlineAmbientShadowColor()`
`ViewOutlineProvider` | `getOutlineProvider()` Returns the current `ViewOutlineProvider` of the view, which generates the Outline that defines the shape of the shadow it casts, and enables outline clipping.
`int` | `getOutlineSpotShadowColor()`
`int` | `getOverScrollMode()` Returns the over-scroll mode for this view.
`ViewOverlay` | `getOverlay()` Returns the overlay for this view, creating it if it does not yet exist.
`int` | `getPaddingBottom()` Returns the bottom padding of this view.
`int` | `getPaddingEnd()` Returns the end padding of this view depending on its resolved layout direction.
`int` | `getPaddingLeft()` Returns the left padding of this view.
`int` | `getPaddingRight()` Returns the right padding of this view.
`int` | `getPaddingStart()` Returns the start padding of this view depending on its resolved layout direction.
`int` | `getPaddingTop()` Returns the top padding of this view.
`final ViewParent` | `getParent()` Gets the parent of this view.
`ViewParent` | `getParentForAccessibility()` Gets the parent for accessibility purposes.
`float` | `getPivotX()` The x location of the point around which the view is `rotated` and `scaled`.
`float` | `getPivotY()` The y location of the point around which the view is `rotated` and `scaled`.
`PointerIcon` | `getPointerIcon()` Gets the pointer icon for the current view.
`Resources` | `getResources()` Returns the resources associated with this view.
`final boolean` | `getRevealOnFocusHint()` Returns this view's preference for reveal behavior when it gains focus.
`final int` | `getRight()` Right position of this view relative to its parent.
`float` | `getRightFadingEdgeStrength()` Returns the strength, or intensity, of the right faded edge.
`int` | `getRightPaddingOffset()` Amount by which to extend the right fading region.
`View` | `getRootView()` Finds the topmost view in the current view hierarchy.
`WindowInsets` | `getRootWindowInsets()` Provide original WindowInsets that are dispatched to the view hierarchy.
`float` | `getRotation()` The degrees that the view is rotated around the pivot point.
`float` | `getRotationX()` The degrees that the view is rotated around the horizontal axis through the pivot point.
`float` | `getRotationY()` The degrees that the view is rotated around the vertical axis through the pivot point.
`float` | `getScaleX()` The amount that the view is scaled in x around the pivot point, as a proportion of the view's unscaled width.
`float` | `getScaleY()` The amount that the view is scaled in y around the pivot point, as a proportion of the view's unscaled height.
`int` | `getScrollBarDefaultDelayBeforeFade()` Returns the delay before scrollbars fade.
`int` | `getScrollBarFadeDuration()` Returns the scrollbar fade duration.
`int` | `getScrollBarSize()` Returns the scrollbar size.
`int` | `getScrollBarStyle()` Returns the current scrollbar style.
`int` | `getScrollIndicators()` Returns a bitmask representing the enabled scroll indicators.
`final int` | `getScrollX()` Return the scrolled left position of this view.
`final int` | `getScrollY()` Return the scrolled top position of this view.
`int` | `getSolidColor()` Override this if your view is known to always be drawn on top of a solid color background, and needs to draw fading edges.
`int` | `getSourceLayoutResId()` A `View` can be inflated from an XML layout.
`final CharSequence` | `getStateDescription()` Returns the `View`'s state description.
`StateListAnimator` | `getStateListAnimator()` Returns the current StateListAnimator if exists.
`int` | `getSuggestedMinimumHeight()` Returns the suggested minimum height that the view should use.
`int` | `getSuggestedMinimumWidth()` Returns the suggested minimum width that the view should use.
`List<Rect>` | `getSystemGestureExclusionRects()` Retrieve the list of areas within this view's post-layout coordinate space where the system should not intercept touch or other pointing device gestures.
`int` | `getSystemUiVisibility()` This method is deprecated. SystemUiVisibility flags are deprecated. Use `WindowInsetsController` instead.
`Object` | `getTag()` Returns this view's tag.
`Object` | `getTag(int key)` Returns the tag associated with this view and the specified key.
`int` | `getTextAlignment()` Return the resolved text alignment.
`int` | `getTextDirection()` Return the resolved text direction.
`CharSequence` | `getTooltipText()` Returns the view's tooltip text.
`final int` | `getTop()` Top position of this view relative to its parent.
`float` | `getTopFadingEdgeStrength()` Returns the strength, or intensity, of the top faded edge.
`int` | `getTopPaddingOffset()` Amount by which to extend the top fading region.
`TouchDelegate` | `getTouchDelegate()` Gets the TouchDelegate for this View.
`ArrayList<View>` | `getTouchables()` Find and return all touchable views that are descendants of this view, possibly including this view if it is touchable itself.
`float` | `getTransitionAlpha()` This property is intended only for use by the Fade transition, which animates it to produce a visual translucency that does not side-effect (or get affected by) the real alpha property.
`String` | `getTransitionName()` Returns the name of the View to be used to identify Views in Transitions.
`float` | `getTranslationX()` The horizontal location of this view relative to its `left` position.
`float` | `getTranslationY()` The vertical location of this view relative to its `top` position.
`float` | `getTranslationZ()` The depth location of this view relative to its `elevation`.
`long` | `getUniqueDrawingId()` Get the identifier used for this view by the drawing system.
`int` | `getVerticalFadingEdgeLength()` Returns the size of the vertical faded edges used to indicate that more content in this view is visible.
`int` | `getVerticalScrollbarPosition()`
`Drawable` | `getVerticalScrollbarThumbDrawable()` Returns the currently configured Drawable for the thumb of the vertical scroll bar if it exists, null otherwise.
`Drawable` | `getVerticalScrollbarTrackDrawable()` Returns the currently configured Drawable for the track of the vertical scroll bar if it exists, null otherwise.
`int` | `getVerticalScrollbarWidth()` Returns the width of the vertical scrollbar.
`ViewTreeObserver` | `getViewTreeObserver()` Returns the ViewTreeObserver for this view's hierarchy.
`int` | `getVisibility()` Returns the visibility status for this view.
`final int` | `getWidth()` Return the width of your view.
`int` | `getWindowAttachCount()`
`WindowId` | `getWindowId()` Retrieve the `WindowId` for the window this view is currently attached to.
`WindowInsetsController` | `getWindowInsetsController()` Retrieves the single `WindowInsetsController` of the window this view is attached to.
`int` | `getWindowSystemUiVisibility()` This method is deprecated. SystemUiVisibility flags are deprecated. Use `WindowInsetsController` instead.
`IBinder` | `getWindowToken()` Retrieve a unique token identifying the window this view is attached to.
`int` | `getWindowVisibility()` Returns the current visibility of the window this view is attached to (either `GONE`, `INVISIBLE`, or `VISIBLE`).
`void` | `getWindowVisibleDisplayFrame(Rect outRect)` Retrieve the overall visible display size in which the window this view is attached to has been positioned in.
`float` | `getX()` The visual x position of this view, in pixels.
`float` | `getY()` The visual y position of this view, in pixels.
`float` | `getZ()` The visual z position of this view, in pixels.
`boolean` | `hasExplicitFocusable()` Returns true if this view is focusable or if it contains a reachable View for which `hasExplicitFocusable()` returns `true`.
`boolean` | `hasFocus()` Returns true if this view has focus itself, or is the ancestor of the view that has focus.
`boolean` | `hasFocusable()` Returns true if this view is focusable or if it contains a reachable View for which `hasFocusable()` returns `true`.
`boolean` | `hasNestedScrollingParent()` Returns true if this view has a nested scrolling parent.
`boolean` | `hasOnClickListeners()` Return whether this view has an attached OnClickListener.
`boolean` | `hasOnLongClickListeners()` Return whether this view has an attached OnLongClickListener.
`boolean` | `hasOverlappingRendering()` Returns whether this View has content which overlaps.
`boolean` | `hasPointerCapture()` Checks pointer capture status.
`boolean` | `hasTransientState()` Indicates whether the view is currently tracking transient state that the app should not need to concern itself with saving and restoring, but that the framework should take special note to preserve when possible.
`boolean` | `hasWindowFocus()` Returns true if this view is in a window that currently has window focus.
`static View` | `inflate(Context context, int resource, ViewGroup root)` Inflate a view from an XML resource.
`void` | `invalidate()` Invalidate the whole view.
`void` | `invalidate(Rect dirty)` This method is deprecated. The switch to hardware accelerated rendering in API 14 reduced the importance of the dirty rectangle. In API 21 the given rectangle is ignored entirely in favor of an internally-calculated area instead. Because of this, clients are encouraged to just call `invalidate()`.
`void` | `invalidate(int l, int t, int r, int b)` This method is deprecated. The switch to hardware accelerated rendering in API 14 reduced the importance of the dirty rectangle. In API 21 the given rectangle is ignored entirely in favor of an internally-calculated area instead. Because of this, clients are encouraged to just call `invalidate()`.
`void` | `invalidateDrawable(Drawable drawable)` Invalidates the specified Drawable.
`void` | `invalidateOutline()` Called to rebuild this View's Outline from its `ViewOutlineProvider`
`boolean` | `isAccessibilityFocused()` Returns whether this View is accessibility focused.
`boolean` | `isAccessibilityHeading()` Gets whether this view is a heading for accessibility purposes.
`boolean` | `isActivated()` Indicates the activation state of this view.
`boolean` | `isAttachedToWindow()` Returns true if this view is currently attached to a window.
`boolean` | `isClickable()` Indicates whether this view reacts to click events or not.
`boolean` | `isContextClickable()` Indicates whether this view reacts to context clicks or not.
`boolean` | `isDirty()` True if this view has changed since the last time being drawn.
`boolean` | `isDrawingCacheEnabled()` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`boolean` | `isDuplicateParentStateEnabled()` Indicates whether this duplicates its drawable state from its parent.
`boolean` | `isEnabled()` Returns the enabled status for this view.
`final boolean` | `isFocusable()` Returns whether this View is currently able to take focus.
`final boolean` | `isFocusableInTouchMode()` When a view is focusable, it may not want to take focus when in touch mode.
`boolean` | `isFocused()` Returns true if this view has focus
`final boolean` | `isFocusedByDefault()` Returns whether this View should receive focus when the focus is restored for the view hierarchy containing this view.
`boolean` | `isForceDarkAllowed()` See `setForceDarkAllowed(boolean)`
`boolean` | `isHapticFeedbackEnabled()`
`boolean` | `isHardwareAccelerated()` Indicates whether this view is attached to a hardware accelerated window or not.
`boolean` | `isHorizontalFadingEdgeEnabled()` Indicate whether the horizontal edges are faded when the view is scrolled horizontally.
`boolean` | `isHorizontalScrollBarEnabled()` Indicate whether the horizontal scrollbar should be drawn or not.
`boolean` | `isHovered()` Returns true if the view is currently hovered.
`boolean` | `isImportantForAccessibility()` Computes whether this view should be exposed for accessibility.
`final boolean` | `isImportantForAutofill()` Hints the Android System whether the `AssistStructure.ViewNode` associated with this view is considered important for autofill purposes.
`final boolean` | `isImportantForContentCapture()` Hints the Android System whether this view is considered important for content capture, based on the value explicitly set by `setImportantForContentCapture(int)` and heuristics when it's `IMPORTANT_FOR_CONTENT_CAPTURE_AUTO`.
`boolean` | `isInEditMode()` Indicates whether this View is currently in edit mode.
`boolean` | `isInLayout()` Returns whether the view hierarchy is currently undergoing a layout pass.
`boolean` | `isInTouchMode()` Returns whether the device is currently in touch mode.
`final boolean` | `isKeyboardNavigationCluster()` Returns whether this View is a root of a keyboard navigation cluster.
`boolean` | `isLaidOut()` Returns true if this view has been through at least one layout since it was last attached to or detached from a window.
`boolean` | `isLayoutDirectionResolved()`
`boolean` | `isLayoutRequested()` Indicates whether or not this view's layout will be requested during the next hierarchy layout pass.
`boolean` | `isLongClickable()` Indicates whether this view reacts to long click events or not.
`boolean` | `isNestedScrollingEnabled()` Returns true if nested scrolling is enabled for this view.
`boolean` | `isOpaque()` Indicates whether this View is opaque.
`boolean` | `isPaddingOffsetRequired()` If the View draws content inside its padding and enables fading edges, it needs to support padding offsets.
`boolean` | `isPaddingRelative()` Return if the padding has been set through relative values `setPaddingRelative(int, int, int, int)` or through
`boolean` | `isPivotSet()` Returns whether or not a pivot has been set by a call to `setPivotX(float)` or `setPivotY(float)`.
`boolean` | `isPressed()` Indicates whether the view is currently in pressed state.
`boolean` | `isSaveEnabled()` Indicates whether this view will save its state (that is, whether its `onSaveInstanceState()` method will be called).
`boolean` | `isSaveFromParentEnabled()` Indicates whether the entire hierarchy under this view will save its state when a state saving traversal occurs from its parent.
`boolean` | `isScreenReaderFocusable()` Returns whether the view should be treated as a focusable unit by screen reader accessibility tools.
`boolean` | `isScrollContainer()` Indicates whether this view is one of the set of scrollable containers in its window.
`boolean` | `isScrollbarFadingEnabled()` Returns true if scrollbars will fade when this view is not scrolling
`boolean` | `isSelected()` Indicates the selection state of this view.
`final boolean` | `isShowingLayoutBounds()` Returns `true` when the View is attached and the system developer setting to show the layout bounds is enabled or `false` otherwise.
`boolean` | `isShown()` Returns the visibility of this view and all of its ancestors
`boolean` | `isSoundEffectsEnabled()`
`final boolean` | `isTemporarilyDetached()` Tells whether the `View` is in the state between `onStartTemporaryDetach()` and `onFinishTemporaryDetach()`.
`boolean` | `isTextAlignmentResolved()`
`boolean` | `isTextDirectionResolved()`
`boolean` | `isVerticalFadingEdgeEnabled()` Indicate whether the vertical edges are faded when the view is scrolled horizontally.
`boolean` | `isVerticalScrollBarEnabled()` Indicate whether the vertical scrollbar should be drawn or not.
`boolean` | `isVisibleToUserForAutofill(int virtualId)` Computes whether this virtual autofill view is visible to the user.
`void` | `jumpDrawablesToCurrentState()` Call `Drawable#jumpToCurrentState()` on all Drawable objects associated with this view.
`View` | `keyboardNavigationClusterSearch(View currentCluster, int direction)` Find the nearest keyboard navigation cluster in the specified direction.
`void` | `layout(int l, int t, int r, int b)` Assign a size and position to a view and all of its descendants This is the second phase of the layout mechanism.
`final void` | `measure(int widthMeasureSpec, int heightMeasureSpec)` This is called to find out how big a view should be.
`static int[]` | `mergeDrawableStates(int[] baseState, int[] additionalState)` Merge your own state values in additionalState into the base state values baseState that were returned by `onCreateDrawableState(int)`.
`void` | `offsetLeftAndRight(int offset)` Offset this view's horizontal location by the specified amount of pixels.
`void` | `offsetTopAndBottom(int offset)` Offset this view's vertical location by the specified number of pixels.
`void` | `onAnimationEnd()` Invoked by a parent ViewGroup to notify the end of the animation currently associated with this view.
`void` | `onAnimationStart()` Invoked by a parent ViewGroup to notify the start of the animation currently associated with this view.
`WindowInsets` | `onApplyWindowInsets(WindowInsets insets)` Called when the view should apply `WindowInsets` according to its internal policy.
`void` | `onAttachedToWindow()` This is called when the view is attached to a window.
`void` | `onCancelPendingInputEvents()` Called as the result of a call to `cancelPendingInputEvents()` on this view or a parent view.
`boolean` | `onCapturedPointerEvent(MotionEvent event)` Implement this method to handle captured pointer events
`boolean` | `onCheckIsTextEditor()` Check whether the called view is a text editor, in which case it would make sense to automatically display a soft input window for it.
`void` | `onConfigurationChanged(Configuration newConfig)` Called when the current configuration of the resources being used by the application have changed.
`void` | `onCreateContextMenu(ContextMenu menu)` Views should implement this if the view itself is going to add items to the context menu.
`int[]` | `onCreateDrawableState(int extraSpace)` Generate the new `Drawable` state for this view.
`InputConnection` | `onCreateInputConnection(EditorInfo outAttrs)` Create a new InputConnection for an InputMethod to interact with the view.
`void` | `onDetachedFromWindow()` This is called when the view is detached from a window.
`void` | `onDisplayHint(int hint)` Gives this view a hint about whether is displayed or not.
`boolean` | `onDragEvent(DragEvent event)` Handles drag events sent by the system following a call to `startDragAndDrop()`.
`void` | `onDraw(Canvas canvas)` Implement this to do your drawing.
`void` | `onDrawForeground(Canvas canvas)` Draw any foreground content for this view.
`final void` | `onDrawScrollBars(Canvas canvas)` Request the drawing of the horizontal and the vertical scrollbar.
`boolean` | `onFilterTouchEventForSecurity(MotionEvent event)` Filter the touch event to apply security policies.
`void` | `onFinishInflate()` Finalize inflating a view from XML.
`void` | `onFinishTemporaryDetach()` Called after `onStartTemporaryDetach()` when the container is done changing the view.
`void` | `onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect)` Called by the view system when the focus state of this view changes.
`boolean` | `onGenericMotionEvent(MotionEvent event)` Implement this method to handle generic motion events.
`void` | `onHoverChanged(boolean hovered)` Implement this method to handle hover state changes.
`boolean` | `onHoverEvent(MotionEvent event)` Implement this method to handle hover events.
`void` | `onInitializeAccessibilityEvent(AccessibilityEvent event)` Initializes an `AccessibilityEvent` with information about this View which is the event source.
`void` | `onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)` Initializes an `AccessibilityNodeInfo` with information about this view.
`boolean` | `onKeyDown(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback#onKeyDown(int, KeyEvent)`: perform press of the view when `KeyEvent#KEYCODE_DPAD_CENTER` or `KeyEvent#KEYCODE_ENTER` is released, if the view is enabled and clickable.
`boolean` | `onKeyLongPress(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback#onKeyLongPress(int, KeyEvent)`: always returns false (doesn't handle the event).
`boolean` | `onKeyMultiple(int keyCode, int repeatCount, KeyEvent event)` Default implementation of `KeyEvent.Callback#onKeyMultiple(int, int, KeyEvent)`: always returns false (doesn't handle the event).
`boolean` | `onKeyPreIme(int keyCode, KeyEvent event)` Handle a key event before it is processed by any input method associated with the view hierarchy.
`boolean` | `onKeyShortcut(int keyCode, KeyEvent event)` Called on the focused view when a key shortcut event is not handled.
`boolean` | `onKeyUp(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback#onKeyUp(int, KeyEvent)`: perform clicking of the view when `KeyEvent#KEYCODE_DPAD_CENTER`, `KeyEvent#KEYCODE_ENTER` or `KeyEvent#KEYCODE_SPACE` is released.
`void` | `onLayout(boolean changed, int left, int top, int right, int bottom)` Called from layout when this view should assign a size and position to each of its children.
`void` | `onMeasure(int widthMeasureSpec, int heightMeasureSpec)` Measure the view and its content to determine the measured width and the measured height.
`void` | `onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY)` Called by `overScrollBy(int, int, int, int, int, int, int, int, boolean)` to respond to the results of an over-scroll operation.
`void` | `onPointerCaptureChange(boolean hasCapture)` Called when the window has just acquired or lost pointer capture.
`void` | `onPopulateAccessibilityEvent(AccessibilityEvent event)` Called from `dispatchPopulateAccessibilityEvent(android.view.accessibility.AccessibilityEvent)` giving a chance to this View to populate the accessibility event with its text content.
`void` | `onProvideAutofillStructure(ViewStructure structure, int flags)` Populates a `ViewStructure` to fullfil an autofill request.
`void` | `onProvideAutofillVirtualStructure(ViewStructure structure, int flags)` Populates a `ViewStructure` containing virtual children to fullfil an autofill request.
`void` | `onProvideContentCaptureStructure(ViewStructure structure, int flags)` Populates a `ViewStructure` for content capture.
`void` | `onProvideStructure(ViewStructure structure)` Called when assist structure is being retrieved from a view as part of `Activity.onProvideAssistData`.
`void` | `onProvideVirtualStructure(ViewStructure structure)` Called when assist structure is being retrieved from a view as part of `Activity.onProvideAssistData` to generate additional virtual structure under this view.
`PointerIcon` | `onResolvePointerIcon(MotionEvent event, int pointerIndex)` Returns the pointer icon for the motion event, or null if it doesn't specify the icon.
`void` | `onRestoreInstanceState(Parcelable state)` Hook allowing a view to re-apply a representation of its internal state that had previously been generated by `onSaveInstanceState()`.
`void` | `onRtlPropertiesChanged(int layoutDirection)` Called when any RTL property (layout direction or text direction or text alignment) has been changed.
`Parcelable` | `onSaveInstanceState()` Hook allowing a view to generate a representation of its internal state that can later be used to create a new instance with that same state.
`void` | `onScreenStateChanged(int screenState)` This method is called whenever the state of the screen this view is attached to changes.
`void` | `onScrollChanged(int l, int t, int oldl, int oldt)` This is called in response to an internal scroll in this view (i.e., the view scrolled its own contents).
`boolean` | `onSetAlpha(int alpha)` Invoked if there is a Transform that involves alpha.
`void` | `onSizeChanged(int w, int h, int oldw, int oldh)` This is called during layout when the size of this view has changed.
`void` | `onStartTemporaryDetach()` This is called when a container is going to temporarily detach a child, with `ViewGroup#detachViewFromParent(View)`.
`boolean` | `onTouchEvent(MotionEvent event)` Implement this method to handle touch screen motion events.
`boolean` | `onTrackballEvent(MotionEvent event)` Implement this method to handle trackball motion events.
`void` | `onVisibilityAggregated(boolean isVisible)` Called when the user-visibility of this View is potentially affected by a change to this view itself, an ancestor view or the window this view is attached to.
`void` | `onVisibilityChanged(View changedView, int visibility)` Called when the visibility of the view or an ancestor of the view has changed.
`void` | `onWindowFocusChanged(boolean hasWindowFocus)` Called when the window containing this view gains or loses focus.
`void` | `onWindowSystemUiVisibilityChanged(int visible)` This method is deprecated. SystemUiVisibility flags are deprecated. Use `WindowInsetsController` instead.
`void` | `onWindowVisibilityChanged(int visibility)` Called when the window containing has change its visibility (between `GONE`, `INVISIBLE`, and `VISIBLE`).
`boolean` | `overScrollBy(int deltaX, int deltaY, int scrollX, int scrollY, int scrollRangeX, int scrollRangeY, int maxOverScrollX, int maxOverScrollY, boolean isTouchEvent)` Scroll the view with standard behavior for scrolling beyond the normal content boundaries.
`boolean` | `performAccessibilityAction(int action, Bundle arguments)` Performs the specified accessibility action on the view.
`boolean` | `performClick()` Call this view's OnClickListener, if it is defined.
`boolean` | `performContextClick(float x, float y)` Call this view's OnContextClickListener, if it is defined.
`boolean` | `performContextClick()` Call this view's OnContextClickListener, if it is defined.
`boolean` | `performHapticFeedback(int feedbackConstant)` BZZZTT!!1! Provide haptic feedback to the user for this view.
`boolean` | `performHapticFeedback(int feedbackConstant, int flags)` BZZZTT!!1! Like `performHapticFeedback(int)`, with additional options.
`boolean` | `performLongClick(float x, float y)` Calls this view's OnLongClickListener, if it is defined.
`boolean` | `performLongClick()` Calls this view's OnLongClickListener, if it is defined.
`void` | `playSoundEffect(int soundConstant)` Play a sound effect for this view.
`boolean` | `post(Runnable action)` Causes the Runnable to be added to the message queue.
`boolean` | `postDelayed(Runnable action, long delayMillis)` Causes the Runnable to be added to the message queue, to be run after the specified amount of time elapses.
`void` | `postInvalidate()` Cause an invalidate to happen on a subsequent cycle through the event loop.
`void` | `postInvalidate(int left, int top, int right, int bottom)` Cause an invalidate of the specified area to happen on a subsequent cycle through the event loop.
`void` | `postInvalidateDelayed(long delayMilliseconds, int left, int top, int right, int bottom)` Cause an invalidate of the specified area to happen on a subsequent cycle through the event loop.
`void` | `postInvalidateDelayed(long delayMilliseconds)` Cause an invalidate to happen on a subsequent cycle through the event loop.
`void` | `postInvalidateOnAnimation(int left, int top, int right, int bottom)` Cause an invalidate of the specified area to happen on the next animation time step, typically the next display frame.
`void` | `postInvalidateOnAnimation()` Cause an invalidate to happen on the next animation time step, typically the next display frame.
`void` | `postOnAnimation(Runnable action)` Causes the Runnable to execute on the next animation time step.
`void` | `postOnAnimationDelayed(Runnable action, long delayMillis)` Causes the Runnable to execute on the next animation time step, after the specified amount of time elapses.
`void` | `refreshDrawableState()` Call this to force a view to update its drawable state.
`void` | `releasePointerCapture()` Releases the pointer capture.
`boolean` | `removeCallbacks(Runnable action)` Removes the specified Runnable from the message queue.
`void` | `removeOnAttachStateChangeListener(View.OnAttachStateChangeListener listener)` Remove a listener for attach state changes.
`void` | `removeOnLayoutChangeListener(View.OnLayoutChangeListener listener)` Remove a listener for layout changes.
`void` | `removeOnUnhandledKeyEventListener(View.OnUnhandledKeyEventListener listener)` Removes a listener which will receive unhandled `KeyEvent`s.
`void` | `requestApplyInsets()` Ask that a new dispatch of `onApplyWindowInsets(android.view.WindowInsets)` be performed.
`void` | `requestFitSystemWindows()` This method is deprecated. Use `requestApplyInsets()` for newer platform versions.
`final boolean` | `requestFocus(int direction)` Call this to try to give focus to a specific view or to one of its descendants and give it a hint about what direction focus is heading.
`final boolean` | `requestFocus()` Call this to try to give focus to a specific view or to one of its descendants.
`boolean` | `requestFocus(int direction, Rect previouslyFocusedRect)` Call this to try to give focus to a specific view or to one of its descendants and give it hints about the direction and a specific rectangle that the focus is coming from.
`final boolean` | `requestFocusFromTouch()` Call this to try to give focus to a specific view or to one of its descendants.
`void` | `requestLayout()` Call this when something has changed which has invalidated the layout of this view.
`void` | `requestPointerCapture()` Requests pointer capture mode.
`boolean` | `requestRectangleOnScreen(Rect rectangle)` Request that a rectangle of this view be visible on the screen, scrolling if necessary just enough.
`boolean` | `requestRectangleOnScreen(Rect rectangle, boolean immediate)` Request that a rectangle of this view be visible on the screen, scrolling if necessary just enough.
`final void` | `requestUnbufferedDispatch(int source)` Request unbuffered dispatch of the given event source class to this view.
`final void` | `requestUnbufferedDispatch(MotionEvent event)` Request unbuffered dispatch of the given stream of MotionEvents to this View.
`final <T extends View> T` | `requireViewById(int id)` Finds the first descendant view with the given ID, the view itself if the ID matches `getId()`, or throws an IllegalArgumentException if the ID is invalid or there is no matching view in the hierarchy.
`void` | `resetPivot()` Clears any pivot previously set by a call to `setPivotX(float)` or `setPivotY(float)`.
`static int` | `resolveSize(int size, int measureSpec)` Version of `resolveSizeAndState(int, int, int)` returning only the `MEASURED_SIZE_MASK` bits of the result.
`static int` | `resolveSizeAndState(int size, int measureSpec, int childMeasuredState)` Utility to reconcile a desired size and state, with constraints imposed by a MeasureSpec.
`boolean` | `restoreDefaultFocus()` Gives focus to the default-focus view in the view hierarchy that has this view as a root.
`void` | `restoreHierarchyState(SparseArray<Parcelable> container)` Restore this view hierarchy's frozen state from the given container.
`final void` | `saveAttributeDataForStyleable(Context context, int[] styleable, AttributeSet attrs, TypedArray t, int defStyleAttr, int defStyleRes)` Stores debugging information about attributes.
`void` | `saveHierarchyState(SparseArray<Parcelable> container)` Store this view hierarchy's frozen state into the given container.
`void` | `scheduleDrawable(Drawable who, Runnable what, long when)` Schedules an action on a drawable to occur at a specified time.
`void` | `scrollBy(int x, int y)` Move the scrolled position of your view.
`void` | `scrollTo(int x, int y)` Set the scrolled position of your view.
`void` | `sendAccessibilityEvent(int eventType)` Sends an accessibility event of the given type.
`void` | `sendAccessibilityEventUnchecked(AccessibilityEvent event)` This method behaves exactly as `sendAccessibilityEvent(int)` but takes as an argument an empty `AccessibilityEvent` and does not perform a check whether accessibility is enabled.
`void` | `setAccessibilityDelegate(View.AccessibilityDelegate delegate)` Sets a delegate for implementing accessibility support via composition (as opposed to inheritance).
`void` | `setAccessibilityHeading(boolean isHeading)` Set if view is a heading for a section of content for accessibility purposes.
`void` | `setAccessibilityLiveRegion(int mode)` Sets the live region mode for this view.
`void` | `setAccessibilityPaneTitle(CharSequence accessibilityPaneTitle)` Visually distinct portion of a window with window-like semantics are considered panes for accessibility purposes.
`void` | `setAccessibilityTraversalAfter(int afterId)` Sets the id of a view after which this one is visited in accessibility traversal.
`void` | `setAccessibilityTraversalBefore(int beforeId)` Sets the id of a view before which this one is visited in accessibility traversal.
`void` | `setActivated(boolean activated)` Changes the activated state of this view.
`void` | `setAlpha(float alpha)` Sets the opacity of the view to a value from 0 to 1, where 0 means the view is completely transparent and 1 means the view is completely opaque.
`void` | `setAnimation(Animation animation)` Sets the next animation to play for this view.
`void` | `setAnimationMatrix(Matrix matrix)` Changes the transformation matrix on the view.
`void` | `setAutofillHints(String... autofillHints)` Sets the hints that help an `AutofillService` determine how to autofill the view with the user's data.
`void` | `setAutofillId(AutofillId id)` Sets the unique, logical identifier of this view in the activity, for autofill purposes.
`void` | `setBackground(Drawable background)` Set the background to a given Drawable, or remove the background.
`void` | `setBackgroundColor(int color)` Sets the background color for this view.
`void` | `setBackgroundDrawable(Drawable background)` This method is deprecated. use `setBackground(android.graphics.drawable.Drawable)` instead
`void` | `setBackgroundResource(int resid)` Set the background to a given resource.
`void` | `setBackgroundTintBlendMode(BlendMode blendMode)` Specifies the blending mode used to apply the tint specified by `setBackgroundTintList(android.content.res.ColorStateList)`} to the background drawable.
`void` | `setBackgroundTintList(ColorStateList tint)` Applies a tint to the background drawable.
`void` | `setBackgroundTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setBackgroundTintList(android.content.res.ColorStateList)`} to the background drawable.
`final void` | `setBottom(int bottom)` Sets the bottom position of this view relative to its parent.
`void` | `setCameraDistance(float distance)` Sets the distance along the Z axis (orthogonal to the X/Y plane on which views are drawn) from the camera to this view.
`void` | `setClickable(boolean clickable)` Enables or disables click events for this view.
`void` | `setClipBounds(Rect clipBounds)` Sets a rectangular area on this view to which the view will be clipped when it is drawn.
`void` | `setClipToOutline(boolean clipToOutline)` Sets whether the View's Outline should be used to clip the contents of the View.
`void` | `setContentCaptureSession(ContentCaptureSession contentCaptureSession)` Sets the (optional) `ContentCaptureSession` associated with this view.
`void` | `setContentDescription(CharSequence contentDescription)` Sets the `View`'s content description.
`void` | `setContextClickable(boolean contextClickable)` Enables or disables context clicking for this view.
`void` | `setDefaultFocusHighlightEnabled(boolean defaultFocusHighlightEnabled)` Sets whether this View should use a default focus highlight when it gets focused but doesn't have `R.attr.state_focused` defined in its background.
`void` | `setDrawingCacheBackgroundColor(int color)` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`void` | `setDrawingCacheEnabled(boolean enabled)` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`void` | `setDrawingCacheQuality(int quality)` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`void` | `setDuplicateParentStateEnabled(boolean enabled)` Enables or disables the duplication of the parent's state into this view.
`void` | `setElevation(float elevation)` Sets the base elevation of this view, in pixels.
`void` | `setEnabled(boolean enabled)` Set the enabled state of this view.
`void` | `setFadingEdgeLength(int length)` Set the size of the faded edge used to indicate that more content in this view is available.
`void` | `setFilterTouchesWhenObscured(boolean enabled)` Sets whether the framework should discard touches when the view's window is obscured by another visible window.
`void` | `setFitsSystemWindows(boolean fitSystemWindows)` Sets whether or not this view should account for system screen decorations such as the status bar and inset its content; that is, controlling whether the default implementation of `fitSystemWindows(android.graphics.Rect)` will be executed.
`void` | `setFocusable(boolean focusable)` Set whether this view can receive the focus.
`void` | `setFocusable(int focusable)` Sets whether this view can receive focus.
`void` | `setFocusableInTouchMode(boolean focusableInTouchMode)` Set whether this view can receive focus while in touch mode.
`void` | `setFocusedByDefault(boolean isFocusedByDefault)` Sets whether this View should receive focus when the focus is restored for the view hierarchy containing this view.
`void` | `setForceDarkAllowed(boolean allow)` Sets whether or not to allow force dark to apply to this view.
`void` | `setForeground(Drawable foreground)` Supply a Drawable that is to be rendered on top of all of the content in the view.
`void` | `setForegroundGravity(int gravity)` Describes how the foreground is positioned.
`void` | `setForegroundTintBlendMode(BlendMode blendMode)` Specifies the blending mode used to apply the tint specified by `setForegroundTintList(android.content.res.ColorStateList)`} to the background drawable.
`void` | `setForegroundTintList(ColorStateList tint)` Applies a tint to the foreground drawable.
`void` | `setForegroundTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setForegroundTintList(android.content.res.ColorStateList)`} to the background drawable.
`void` | `setHapticFeedbackEnabled(boolean hapticFeedbackEnabled)` Set whether this view should have haptic feedback for events such as long presses.
`void` | `setHasTransientState(boolean hasTransientState)` Set whether this view is currently tracking transient state that the framework should attempt to preserve when possible.
`void` | `setHorizontalFadingEdgeEnabled(boolean horizontalFadingEdgeEnabled)` Define whether the horizontal edges should be faded when this view is scrolled horizontally.
`void` | `setHorizontalScrollBarEnabled(boolean horizontalScrollBarEnabled)` Define whether the horizontal scrollbar should be drawn or not.
`void` | `setHorizontalScrollbarThumbDrawable(Drawable drawable)` Defines the horizontal thumb drawable
`void` | `setHorizontalScrollbarTrackDrawable(Drawable drawable)` Defines the horizontal track drawable
`void` | `setHovered(boolean hovered)` Sets whether the view is currently hovered.
`void` | `setId(int id)` Sets the identifier for this view.
`void` | `setImportantForAccessibility(int mode)` Sets how to determine whether this view is important for accessibility which is if it fires accessibility events and if it is reported to accessibility services that query the screen.
`void` | `setImportantForAutofill(int mode)` Sets the mode for determining whether this view is considered important for autofill.
`void` | `setImportantForContentCapture(int mode)` Sets the mode for determining whether this view is considered important for content capture.
`void` | `setKeepScreenOn(boolean keepScreenOn)` Controls whether the screen should remain on, modifying the value of `KEEP_SCREEN_ON`.
`void` | `setKeyboardNavigationCluster(boolean isCluster)` Set whether this view is a root of a keyboard navigation cluster.
`void` | `setLabelFor(int id)` Sets the id of a view for which this view serves as a label for accessibility purposes.
`void` | `setLayerPaint(Paint paint)` Updates the `Paint` object used with the current layer (used only if the current layer type is not set to `LAYER_TYPE_NONE`).
`void` | `setLayerType(int layerType, Paint paint)` Specifies the type of layer backing this view.
`void` | `setLayoutDirection(int layoutDirection)` Set the layout direction for this view.
`void` | `setLayoutParams(ViewGroup.LayoutParams params)` Set the layout parameters associated with this view.
`final void` | `setLeft(int left)` Sets the left position of this view relative to its parent.
`final void` | `setLeftTopRightBottom(int left, int top, int right, int bottom)` Assign a size and position to this view.
`void` | `setLongClickable(boolean longClickable)` Enables or disables long click events for this view.
`final void` | `setMeasuredDimension(int measuredWidth, int measuredHeight)` This method must be called by `onMeasure(int, int)` to store the measured width and measured height.
`void` | `setMinimumHeight(int minHeight)` Sets the minimum height of the view.
`void` | `setMinimumWidth(int minWidth)` Sets the minimum width of the view.
`void` | `setNestedScrollingEnabled(boolean enabled)` Enable or disable nested scrolling for this view.
`void` | `setNextClusterForwardId(int nextClusterForwardId)` Sets the id of the view to use as the root of the next keyboard navigation cluster.
`void` | `setNextFocusDownId(int nextFocusDownId)` Sets the id of the view to use when the next focus is `FOCUS_DOWN`.
`void` | `setNextFocusForwardId(int nextFocusForwardId)` Sets the id of the view to use when the next focus is `FOCUS_FORWARD`.
`void` | `setNextFocusLeftId(int nextFocusLeftId)` Sets the id of the view to use when the next focus is `FOCUS_LEFT`.
`void` | `setNextFocusRightId(int nextFocusRightId)` Sets the id of the view to use when the next focus is `FOCUS_RIGHT`.
`void` | `setNextFocusUpId(int nextFocusUpId)` Sets the id of the view to use when the next focus is `FOCUS_UP`.
`void` | `setOnApplyWindowInsetsListener(View.OnApplyWindowInsetsListener listener)` Set an `OnApplyWindowInsetsListener` to take over the policy for applying window insets to this view.
`void` | `setOnCapturedPointerListener(View.OnCapturedPointerListener l)` Set a listener to receive callbacks when the pointer capture state of a view changes.
`void` | `setOnClickListener(View.OnClickListener l)` Register a callback to be invoked when this view is clicked.
`void` | `setOnContextClickListener(View.OnContextClickListener l)` Register a callback to be invoked when this view is context clicked.
`void` | `setOnCreateContextMenuListener(View.OnCreateContextMenuListener l)` Register a callback to be invoked when the context menu for this view is being built.
`void` | `setOnDragListener(View.OnDragListener l)` Register a drag event listener callback object for this View.
`void` | `setOnFocusChangeListener(View.OnFocusChangeListener l)` Register a callback to be invoked when focus of this view changed.
`void` | `setOnGenericMotionListener(View.OnGenericMotionListener l)` Register a callback to be invoked when a generic motion event is sent to this view.
`void` | `setOnHoverListener(View.OnHoverListener l)` Register a callback to be invoked when a hover event is sent to this view.
`void` | `setOnKeyListener(View.OnKeyListener l)` Register a callback to be invoked when a hardware key is pressed in this view.
`void` | `setOnLongClickListener(View.OnLongClickListener l)` Register a callback to be invoked when this view is clicked and held.
`void` | `setOnScrollChangeListener(View.OnScrollChangeListener l)` Register a callback to be invoked when the scroll X or Y positions of this view change.
`void` | `setOnSystemUiVisibilityChangeListener(View.OnSystemUiVisibilityChangeListener l)` This method is deprecated. Use `WindowInsets#isVisible(int)` to find out about system bar visibilities by setting a `OnApplyWindowInsetsListener` on this view.
`void` | `setOnTouchListener(View.OnTouchListener l)` Register a callback to be invoked when a touch event is sent to this view.
`void` | `setOutlineAmbientShadowColor(int color)` Sets the color of the ambient shadow that is drawn when the view has a positive Z or elevation value.
`void` | `setOutlineProvider(ViewOutlineProvider provider)` Sets the `ViewOutlineProvider` of the view, which generates the Outline that defines the shape of the shadow it casts, and enables outline clipping.
`void` | `setOutlineSpotShadowColor(int color)` Sets the color of the spot shadow that is drawn when the view has a positive Z or elevation value.
`void` | `setOverScrollMode(int overScrollMode)` Set the over-scroll mode for this view.
`void` | `setPadding(int left, int top, int right, int bottom)` Sets the padding.
`void` | `setPaddingRelative(int start, int top, int end, int bottom)` Sets the relative padding.
`void` | `setPivotX(float pivotX)` Sets the x location of the point around which the view is `rotated` and `scaled`.
`void` | `setPivotY(float pivotY)` Sets the y location of the point around which the view is `rotated` and `scaled`.
`void` | `setPointerIcon(PointerIcon pointerIcon)` Set the pointer icon for the current view.
`void` | `setPressed(boolean pressed)` Sets the pressed state for this view.
`final void` | `setRevealOnFocusHint(boolean revealOnFocus)` Sets this view's preference for reveal behavior when it gains focus.
`final void` | `setRight(int right)` Sets the right position of this view relative to its parent.
`void` | `setRotation(float rotation)` Sets the degrees that the view is rotated around the pivot point.
`void` | `setRotationX(float rotationX)` Sets the degrees that the view is rotated around the horizontal axis through the pivot point.
`void` | `setRotationY(float rotationY)` Sets the degrees that the view is rotated around the vertical axis through the pivot point.
`void` | `setSaveEnabled(boolean enabled)` Controls whether the saving of this view's state is enabled (that is, whether its `onSaveInstanceState()` method will be called).
`void` | `setSaveFromParentEnabled(boolean enabled)` Controls whether the entire hierarchy under this view will save its state when a state saving traversal occurs from its parent.
`void` | `setScaleX(float scaleX)` Sets the amount that the view is scaled in x around the pivot point, as a proportion of the view's unscaled width.
`void` | `setScaleY(float scaleY)` Sets the amount that the view is scaled in Y around the pivot point, as a proportion of the view's unscaled width.
`void` | `setScreenReaderFocusable(boolean screenReaderFocusable)` Sets whether this View should be a focusable element for screen readers and include non-focusable Views from its subtree when providing feedback.
`void` | `setScrollBarDefaultDelayBeforeFade(int scrollBarDefaultDelayBeforeFade)` Define the delay before scrollbars fade.
`void` | `setScrollBarFadeDuration(int scrollBarFadeDuration)` Define the scrollbar fade duration.
`void` | `setScrollBarSize(int scrollBarSize)` Define the scrollbar size.
`void` | `setScrollBarStyle(int style)` Specify the style of the scrollbars.
`void` | `setScrollContainer(boolean isScrollContainer)` Change whether this view is one of the set of scrollable containers in its window.
`void` | `setScrollIndicators(int indicators, int mask)` Sets the state of the scroll indicators specified by the mask.
`void` | `setScrollIndicators(int indicators)` Sets the state of all scroll indicators.
`void` | `setScrollX(int value)` Set the horizontal scrolled position of your view.
`void` | `setScrollY(int value)` Set the vertical scrolled position of your view.
`void` | `setScrollbarFadingEnabled(boolean fadeScrollbars)` Define whether scrollbars will fade when the view is not scrolling.
`void` | `setSelected(boolean selected)` Changes the selection state of this view.
`void` | `setSoundEffectsEnabled(boolean soundEffectsEnabled)` Set whether this view should have sound effects enabled for events such as clicking and touching.
`void` | `setStateDescription(CharSequence stateDescription)` Sets the `View`'s state description.
`void` | `setStateListAnimator(StateListAnimator stateListAnimator)` Attaches the provided StateListAnimator to this View.
`void` | `setSystemGestureExclusionRects(List<Rect> rects)` Sets a list of areas within this view's post-layout coordinate space where the system should not intercept touch or other pointing device gestures.
`void` | `setSystemUiVisibility(int visibility)` This method is deprecated. SystemUiVisibility flags are deprecated. Use `WindowInsetsController` instead.
`void` | `setTag(int key, Object tag)` Sets a tag associated with this view and a key.
`void` | `setTag(Object tag)` Sets the tag associated with this view.
`void` | `setTextAlignment(int textAlignment)` Set the text alignment.
`void` | `setTextDirection(int textDirection)` Set the text direction.
`void` | `setTooltipText(CharSequence tooltipText)` Sets the tooltip text which will be displayed in a small popup next to the view.
`final void` | `setTop(int top)` Sets the top position of this view relative to its parent.
`void` | `setTouchDelegate(TouchDelegate delegate)` Sets the TouchDelegate for this View.
`void` | `setTransitionAlpha(float alpha)` This property is intended only for use by the Fade transition, which animates it to produce a visual translucency that does not side-effect (or get affected by) the real alpha property.
`final void` | `setTransitionName(String transitionName)` Sets the name of the View to be used to identify Views in Transitions.
`void` | `setTransitionVisibility(int visibility)` Changes the visibility of this View without triggering any other changes.
`void` | `setTranslationX(float translationX)` Sets the horizontal location of this view relative to its `left` position.
`void` | `setTranslationY(float translationY)` Sets the vertical location of this view relative to its `top` position.
`void` | `setTranslationZ(float translationZ)` Sets the depth location of this view relative to its `elevation`.
`void` | `setVerticalFadingEdgeEnabled(boolean verticalFadingEdgeEnabled)` Define whether the vertical edges should be faded when this view is scrolled vertically.
`void` | `setVerticalScrollBarEnabled(boolean verticalScrollBarEnabled)` Define whether the vertical scrollbar should be drawn or not.
`void` | `setVerticalScrollbarPosition(int position)` Set the position of the vertical scroll bar.
`void` | `setVerticalScrollbarThumbDrawable(Drawable drawable)` Defines the vertical scrollbar thumb drawable
`void` | `setVerticalScrollbarTrackDrawable(Drawable drawable)` Defines the vertical scrollbar track drawable
`void` | `setVisibility(int visibility)` Set the visibility state of this view.
`void` | `setWillNotCacheDrawing(boolean willNotCacheDrawing)` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`void` | `setWillNotDraw(boolean willNotDraw)` If this view doesn't do any drawing on its own, set this flag to allow further optimizations.
`void` | `setWindowInsetsAnimationCallback(WindowInsetsAnimation.Callback callback)` Sets a `WindowInsetsAnimation.Callback` to be notified about animations of windows that cause insets.
`void` | `setX(float x)` Sets the visual x position of this view, in pixels.
`void` | `setY(float y)` Sets the visual y position of this view, in pixels.
`void` | `setZ(float z)` Sets the visual z position of this view, in pixels.
`boolean` | `showContextMenu()` Shows the context menu for this view.
`boolean` | `showContextMenu(float x, float y)` Shows the context menu for this view anchored to the specified view-relative coordinate.
`ActionMode` | `startActionMode(ActionMode.Callback callback, int type)` Start an action mode with the given type.
`ActionMode` | `startActionMode(ActionMode.Callback callback)` Start an action mode with the default type `ActionMode#TYPE_PRIMARY`.
`void` | `startAnimation(Animation animation)` Start the specified animation now.
`final boolean` | `startDrag(ClipData data, View.DragShadowBuilder shadowBuilder, Object myLocalState, int flags)` This method is deprecated. Use `startDragAndDrop()` for newer platform versions.
`final boolean` | `startDragAndDrop(ClipData data, View.DragShadowBuilder shadowBuilder, Object myLocalState, int flags)` Starts a drag and drop operation.
`boolean` | `startNestedScroll(int axes)` Begin a nestable scroll operation along the given axes.
`void` | `stopNestedScroll()` Stop a nested scroll in progress.
`String` | `toString()` Returns a string representation of the object.
`void` | `transformMatrixToGlobal(Matrix matrix)` Modifies the input matrix such that it maps view-local coordinates to on-screen coordinates.
`void` | `transformMatrixToLocal(Matrix matrix)` Modifies the input matrix such that it maps on-screen coordinates to view-local coordinates.
`void` | `unscheduleDrawable(Drawable who, Runnable what)` Cancels a scheduled action on a drawable.
`void` | `unscheduleDrawable(Drawable who)` Unschedule any events associated with the given Drawable.
`final void` | `updateDragShadow(View.DragShadowBuilder shadowBuilder)` Updates the drag shadow for the ongoing drag and drop operation.
`boolean` | `verifyDrawable(Drawable who)` If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying.
`boolean` | `willNotCacheDrawing()` This method is deprecated. The view drawing cache was largely made obsolete with the introduction of hardware-accelerated rendering in API 11. With hardware-acceleration, intermediate cache layers are largely unnecessary and can easily result in a net loss in performance due to the cost of creating and updating the layer. In the rare cases where caching layers are useful, such as for alpha animations, `setLayerType(int, android.graphics.Paint)` handles this with hardware rendering. For software-rendered snapshots of a small part of the View hierarchy or individual Views it is recommended to create a `Canvas` from either a `Bitmap` or `Picture` and call `draw(android.graphics.Canvas)` on the View. However these software-rendered usages are discouraged and have compatibility issues with hardware-only rendering features such as `Config.HARDWARE` bitmaps, real-time shadows, and outline clipping. For screenshots of the UI for feedback reports or unit testing the `PixelCopy` API is recommended.
`boolean` | `willNotDraw()` Returns whether or not this View draws on its own.
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.
From interface `android.widget.Checkable`
`abstract boolean` | `isChecked()`
`abstract void` | `setChecked(boolean checked)` Change the checked state of the view
`abstract void` | `toggle()` Change the checked state of the view to the inverse of its current state
From interface `android.view.ViewTreeObserver.OnPreDrawListener`
`abstract boolean` | `onPreDraw()` Callback method to be invoked when the view tree is about to be drawn.
From interface `android.graphics.drawable.Drawable.Callback`
`abstract void` | `invalidateDrawable(Drawable who)` Called when the drawable needs to be redrawn.
`abstract void` | `scheduleDrawable(Drawable who, Runnable what, long when)` A Drawable can call this to schedule the next frame of its animation.
`abstract void` | `unscheduleDrawable(Drawable who, Runnable what)` A Drawable can call this to unschedule an action previously scheduled with `scheduleDrawable(Drawable, Runnable, long)`.
From interface `android.view.KeyEvent.Callback`
`abstract boolean` | `onKeyDown(int keyCode, KeyEvent event)` Called when a key down event has occurred.
`abstract boolean` | `onKeyLongPress(int keyCode, KeyEvent event)` Called when a long press has occurred.
`abstract boolean` | `onKeyMultiple(int keyCode, int count, KeyEvent event)` Called when a user's interaction with an analog control, such as flinging a trackball, generates simulated down/up events for the same key multiple times in quick succession.
`abstract boolean` | `onKeyUp(int keyCode, KeyEvent event)` Called when a key up event has occurred.
From interface `android.view.accessibility.AccessibilityEventSource`
`abstract void` | `sendAccessibilityEvent(int eventType)` Handles the request for sending an `AccessibilityEvent` given the event type.
`abstract void` | `sendAccessibilityEventUnchecked(AccessibilityEvent event)` Handles the request for sending an `AccessibilityEvent`.

## XML attributes

### android:showText

Whether to draw on/off text.

May be a boolean value, such as "`true`" or "`false`".

Related methods:

- `setShowText(boolean)`

### android:splitTrack

Whether to split the track and leave a gap for the thumb drawable.

May be a boolean value, such as "`true`" or "`false`".

Related methods:

- `setSplitTrack(boolean)`

### android:switchMinWidth

Minimum width for the switch component.

May be a dimension value, which is a floating point number appended with a unit such as "`14.5sp`". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

Related methods:

- `setSwitchMinWidth(int)`

### android:switchPadding

Minimum space between the switch and caption text.

May be a dimension value, which is a floating point number appended with a unit such as "`14.5sp`". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

Related methods:

- `setSwitchPadding(int)`

### android:switchTextAppearance

TextAppearance style for text displayed on the switch thumb.

May be a reference to another resource, in the form "`@[+][package:]type/name`" or a theme attribute in the form "`?[package:]type/name`".

Related methods:

- `setSwitchTextAppearance(Context,int)`

### android:textOff

Text to use when the switch is in the unchecked/"off" state.

May be a string value, using '\\;' to escape characters such as '\\n' or '\\uxxxx' for a unicode character;

Related methods:

- `setTextOff(CharSequence)`

### android:textOn

Text to use when the switch is in the checked/"on" state.

May be a string value, using '\\;' to escape characters such as '\\n' or '\\uxxxx' for a unicode character;

Related methods:

- `setTextOn(CharSequence)`

### android:textStyle

Style (normal, bold, italic, bold|italic) for the text.

Must be one or more (separated by '|') of the following constant values.

Constant | Value | Description
--- | --- | ---
bold | 1 |
italic | 2 |
normal | 0 |

Related methods:

- `setSwitchTypeface(Typeface)`

### android:thumb

Drawable to use as the "thumb" that switches back and forth.

May be a reference to another resource, in the form "`@[+][package:]type/name`" or a theme attribute in the form "`?[package:]type/name`".

Related methods:

- `setThumbResource(int)`

### android:thumbTextPadding

Amount of padding on either side of text within the switch thumb.

May be a dimension value, which is a floating point number appended with a unit such as "`14.5sp`". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

Related methods:

- `setThumbTextPadding(int)`

### android:thumbTint

Tint to apply to the thumb.

May be a color value, in the form of "`#rgb`", "`#argb`", "`#rrggbb`", or "`#aarrggbb`".

Related methods:

- `setThumbTintList(ColorStateList)`

### android:thumbTintMode

Blending mode used to apply the thumb tint.

Must be one of the following constant values.

Constant | Value | Description
--- | --- | ---
add | 10 | Combines the tint and drawable color and alpha channels, clamping the result to valid color values. Saturate(S + D)
multiply | e | Multiplies the color and alpha channels of the drawable with those of the tint. [Sa * Da, Sc * Dc]
screen | f | [Sa + Da - Sa * Da, Sc + Dc - Sc * Dc]
src_atop | 9 | The tint is drawn above the drawable, but with the drawable’s alpha channel masking the result. [Da, Sc * Da + (1 - Sa) * Dc]
src_in | 5 | The tint is masked by the alpha channel of the drawable. The drawable’s color channels are thrown out. [Sa * Da, Sc * Da]
src_over | 3 | The tint is drawn on top of the drawable. [Sa + (1 - Sa)*Da, Rc = Sc + (1 - Sa)*Dc]

Related methods:

- `setThumbTintMode(PorterDuff.Mode)`

### android:track

Drawable to use as the "track" that the switch thumb slides within.

May be a reference to another resource, in the form "`@[+][package:]type/name`" or a theme attribute in the form "`?[package:]type/name`".

Related methods:

- `setTrackResource(int)`

### android:trackTint

Tint to apply to the track.

May be a color value, in the form of "`#rgb`", "`#argb`", "`#rrggbb`", or "`#aarrggbb`".

Related methods:

- `setTrackTintList(ColorStateList)`

### android:trackTintMode

Blending mode used to apply the track tint.

Must be one of the following constant values.

Constant | Value | Description
--- | --- | ---
add | 10 | Combines the tint and drawable color and alpha channels, clamping the result to valid color values. Saturate(S + D)
multiply | e | Multiplies the color and alpha channels of the drawable with those of the tint. [Sa * Da, Sc * Dc]
screen | f | [Sa + Da - Sa * Da, Sc + Dc - Sc * Dc]
src_atop | 9 | The tint is drawn above the drawable, but with the drawable’s alpha channel masking the result. [Da, Sc * Da + (1 - Sa) * Dc]
src_in | 5 | The tint is masked by the alpha channel of the drawable. The drawable’s color channels are thrown out. [Sa * Da, Sc * Da]
src_over | 3 | The tint is drawn on top of the drawable. [Sa + (1 - Sa)*Da, Rc = Sc + (1 - Sa)*Dc]

Related methods:

- `setTrackTintMode(PorterDuff.Mode)`

### android:typeface

Typeface (normal, sans, serif, monospace) for the text.

Must be one of the following constant values.

Constant | Value | Description
--- | --- | ---
monospace | 3 |
normal | 0 |
sans | 1 |
serif | 2 |

Related methods:

- `setSwitchTypeface(Typeface)`

## Public constructors

### Switch

    public Switch (Context context)

Construct a new Switch with default styling.

Parameters
`context` | `Context`: The Context that will determine this widget's theming.

### Switch

    public Switch (Context context,
                    AttributeSet attrs)

Construct a new Switch with default styling, overriding specific style attributes as requested.

Parameters
`context` | `Context`: The Context that will determine this widget's theming.
`attrs` | `AttributeSet`: Specification of attributes that should deviate from default styling.

### Switch

    public Switch (Context context,
                    AttributeSet attrs,
                    int defStyleAttr)

Construct a new Switch with a default style determined by the given theme attribute, overriding specific style attributes as requested.

Parameters
`context` | `Context`: The Context that will determine this widget's theming.
`attrs` | `AttributeSet`: Specification of attributes that should deviate from the default styling.
`defStyleAttr` | `int`: An attribute in the current theme that contains a reference to a style resource that supplies default values for the view. Can be 0 to not look for defaults.

### Switch

    public Switch (Context context,
                    AttributeSet attrs,
                    int defStyleAttr,
                    int defStyleRes)

Construct a new Switch with a default style determined by the given theme attribute or style resource, overriding specific style attributes as requested.

Parameters
`context` | `Context`: The Context that will determine this widget's theming.
`attrs` | `AttributeSet`: Specification of attributes that should deviate from the default styling.
`defStyleAttr` | `int`: An attribute in the current theme that contains a reference to a style resource that supplies default values for the view. Can be 0 to not look for defaults.
`defStyleRes` | `int`: A resource identifier of a style resource that supplies default values for the view, used only if defStyleAttr is 0 or can not be found in the theme. Can be 0 to not look for defaults.

## Public methods

### draw

    public void draw (Canvas c)

Manually render this view (and all of its children) to the given Canvas. The view must have already done a full layout before this function is called. When implementing a view, implement `onDraw(android.graphics.Canvas)` instead of overriding this method. If you do need to override this method, call the superclass version.
If you override this method you must call through to the superclass implementation.

Parameters
`c` | `Canvas`: The Canvas to which the View is rendered.

### drawableHotspotChanged

    public void drawableHotspotChanged (float x,
                    float y)

This function is called whenever the view hotspot changes and needs to be propagated to drawables or child views managed by the view.

Dispatching to child views is handled by `dispatchDrawableHotspotChanged(float, float)`.

Be sure to call through to the superclass when overriding this function.
If you override this method you must call through to the superclass implementation.

Parameters
`x` | `float`: hotspot x coordinate
`y` | `float`: hotspot y coordinate

### getAccessibilityClassName

    public CharSequence getAccessibilityClassName ()

Return the class name of this object to be used for accessibility purposes. Subclasses should only override this if they are implementing something that should be seen as a completely new class of view when used by accessibility, unrelated to the class it is deriving from. This is used to fill in `AccessibilityNodeInfo#setClassName`.

Returns
`CharSequence` |

### getCompoundPaddingLeft

    public int getCompoundPaddingLeft ()

Returns the left padding of the view, plus space for the left Drawable if any.

Returns
`int` |

### getCompoundPaddingRight

    public int getCompoundPaddingRight ()

Returns the right padding of the view, plus space for the right Drawable if any.

Returns
`int` |

### getShowText

    public boolean getShowText ()

Related XML Attributes:

- android:showText

Returns
`boolean` | whether the on/off text should be displayed

### getSplitTrack

    public boolean getSplitTrack ()

Returns whether the track should be split by the thumb.

Related XML Attributes:

- android:splitTrack

Returns
`boolean` |

### getSwitchMinWidth

    public int getSwitchMinWidth ()

Get the minimum width of the switch in pixels. The switch's width will be the maximum of this value and its measured width as determined by the switch drawables and text used.

Related XML Attributes:

- android:switchMinWidth

Returns
`int` | Minimum width of the switch in pixels

### getSwitchPadding

    public int getSwitchPadding ()

Get the amount of horizontal padding between the switch and the associated text.

Related XML Attributes:

- android:switchPadding

Returns
`int` | Amount of padding in pixels

### getTextOff

    public CharSequence getTextOff ()

Returns the text displayed when the button is not in the checked state.

Related XML Attributes:

- android:textOff

Returns
`CharSequence` |

### getTextOn

    public CharSequence getTextOn ()

Returns the text displayed when the button is in the checked state.

Related XML Attributes:

- android:textOn

Returns
`CharSequence` |

### getThumbDrawable

    public Drawable getThumbDrawable ()

Get the drawable used for the switch "thumb" - the piece that the user can physically touch and drag along the track.

Related XML Attributes:

- android:thumb

Returns
`Drawable` | Thumb drawable

### getThumbTextPadding

    public int getThumbTextPadding ()

Get the horizontal padding around the text drawn on the switch itself.

Related XML Attributes:

- android:thumbTextPadding

Returns
`int` | Horizontal padding for switch thumb text in pixels

### getThumbTintBlendMode

    public BlendMode getThumbTintBlendMode ()

Related XML Attributes:

- android:thumbTintMode

Returns
`BlendMode` | the blending mode used to apply the tint to the thumb drawable This value may be `null`.

See also:

- `setThumbTintBlendMode(BlendMode)`

### getThumbTintList

    public ColorStateList getThumbTintList ()

Related XML Attributes:

- android:thumbTint

Returns
`ColorStateList` | the tint applied to the thumb drawable This value may be `null`.

See also:

- `setThumbTintList(ColorStateList)`

### getThumbTintMode

    public PorterDuff.Mode getThumbTintMode ()

Related XML Attributes:

- android:thumbTintMode

Returns
`PorterDuff.Mode` | the blending mode used to apply the tint to the thumb drawable This value may be `null`.

See also:

- `setThumbTintMode(PorterDuff.Mode)`

### getTrackDrawable

    public Drawable getTrackDrawable ()

Get the drawable used for the track that the switch slides within.

Related XML Attributes:

- android:track

Returns
`Drawable` | Track drawable

### getTrackTintBlendMode

    public BlendMode getTrackTintBlendMode ()

Related XML Attributes:

- android:trackTintMode

Returns
`BlendMode` | the blending mode used to apply the tint to the track drawable This value may be `null`.

See also:

- `setTrackTintBlendMode(BlendMode)`

### getTrackTintList

    public ColorStateList getTrackTintList ()

Related XML Attributes:

- android:trackTint

Returns
`ColorStateList` | the tint applied to the track drawable This value may be `null`.

See also:

- `setTrackTintList(ColorStateList)`

### getTrackTintMode

    public PorterDuff.Mode getTrackTintMode ()

Related XML Attributes:

- android:trackTintMode

Returns
`PorterDuff.Mode` | the blending mode used to apply the tint to the track drawable This value may be `null`.

See also:

- `setTrackTintMode(PorterDuff.Mode)`

### jumpDrawablesToCurrentState

    public void jumpDrawablesToCurrentState ()

Call `Drawable#jumpToCurrentState()` on all Drawable objects associated with this view.

Also calls `StateListAnimator#jumpToCurrentState()` if there is a StateListAnimator attached to this view.
If you override this method you must call through to the superclass implementation.

### onMeasure

    public void onMeasure (int widthMeasureSpec,
                    int heightMeasureSpec)

Measure the view and its content to determine the measured width and the measured height. This method is invoked by `measure(int, int)` and should be overridden by subclasses to provide accurate and efficient measurement of their contents.

CONTRACT: When overriding this method, you must call `setMeasuredDimension(int, int)` to store the measured width and height of this view. Failure to do so will trigger an `IllegalStateException`, thrown by `measure(int, int)`. Calling the superclass' `onMeasure(int, int)` is a valid use.

The base class implementation of measure defaults to the background size, unless a larger size is allowed by the MeasureSpec. Subclasses should override `onMeasure(int, int)` to provide better measurements of their content.

If this method is overridden, it is the subclass's responsibility to make sure the measured height and width are at least the view's minimum height and width (`getSuggestedMinimumHeight()` and `getSuggestedMinimumWidth()`).

Parameters
`widthMeasureSpec` | `int`: horizontal space requirements as imposed by the parent. The requirements are encoded with `View.MeasureSpec`.
`heightMeasureSpec` | `int`: vertical space requirements as imposed by the parent. The requirements are encoded with `View.MeasureSpec`.

### onTouchEvent

    public boolean onTouchEvent (MotionEvent ev)

Implement this method to handle touch screen motion events.

If this method is used to detect click actions, it is recommended that the actions be performed by implementing and calling `performClick()`. This will ensure consistent system behavior, including:

- obeying click sound preferences
- dispatching OnClickListener calls
- handling `AccessibilityNodeInfo#ACTION_CLICK` when accessibility features are enabled

Parameters
`ev` | `MotionEvent`: The motion event.

Returns
`boolean` | True if the event was handled, false otherwise.

### setChecked

    public void setChecked (boolean checked)

Changes the checked state of this button.

Parameters
`checked` | `boolean`: true to check the button, false to uncheck it

### setShowText

    public void setShowText (boolean showText)

Sets whether the on/off text should be displayed.

Related XML Attributes:

- android:showText

Parameters
`showText` | `boolean`: `true` to display on/off text

### setSplitTrack

    public void setSplitTrack (boolean splitTrack)

Specifies whether the track should be split by the thumb. When true, the thumb's optical bounds will be clipped out of the track drawable, then the thumb will be drawn into the resulting gap.

Related XML Attributes:

- android:splitTrack

Parameters
`splitTrack` | `boolean`: Whether the track should be split by the thumb

### setSwitchMinWidth

    public void setSwitchMinWidth (int pixels)

Set the minimum width of the switch in pixels. The switch's width will be the maximum of this value and its measured width as determined by the switch drawables and text used.

Related XML Attributes:

- android:switchMinWidth

Parameters
`pixels` | `int`: Minimum width of the switch in pixels

### setSwitchPadding

    public void setSwitchPadding (int pixels)

Set the amount of horizontal padding between the switch and the associated text.

Related XML Attributes:

- android:switchPadding

Parameters
`pixels` | `int`: Amount of padding in pixels

### setSwitchTextAppearance

    public void setSwitchTextAppearance (Context context,
                    int resid)

Sets the switch text color, size, style, hint color, and highlight color from the specified TextAppearance resource.

Related XML Attributes:

- android:switchTextAppearance

Parameters
`context` | `Context`
`resid` | `int`

### setSwitchTypeface

    public void setSwitchTypeface (Typeface tf)

Sets the typeface in which the text should be displayed on the switch. Note that not all Typeface families actually have bold and italic variants, so you may need to use `setSwitchTypeface(android.graphics.Typeface, int)` to get the appearance that you actually want.

Related XML Attributes:

- android:typeface
- android:textStyle

Parameters
`tf` | `Typeface`

### setSwitchTypeface

    public void setSwitchTypeface (Typeface tf,
                    int style)

Sets the typeface and style in which the text should be displayed on the switch, and turns on the fake bold and italic bits in the Paint if the Typeface that you provided does not have all the bits in the style that you specified.

Parameters
`tf` | `Typeface`
`style` | `int`

### setTextOff

    public void setTextOff (CharSequence textOff)

Sets the text displayed when the button is not in the checked state.

Related XML Attributes:

- android:textOff

Parameters
`textOff` | `CharSequence`

### setTextOn

    public void setTextOn (CharSequence textOn)

Sets the text displayed when the button is in the checked state.

Related XML Attributes:

- android:textOn

Parameters
`textOn` | `CharSequence`

### setThumbDrawable

    public void setThumbDrawable (Drawable thumb)

Set the drawable used for the switch "thumb" - the piece that the user can physically touch and drag along the track.

Related XML Attributes:

- android:thumb

Parameters
`thumb` | `Drawable`: Thumb drawable

### setThumbResource

    public void setThumbResource (int resId)

Set the drawable used for the switch "thumb" - the piece that the user can physically touch and drag along the track.

Related XML Attributes:

- android:thumb

Parameters
`resId` | `int`: Resource ID of a thumb drawable

### setThumbTextPadding

    public void setThumbTextPadding (int pixels)

Set the horizontal padding around the text drawn on the switch itself.

Related XML Attributes:

- android:thumbTextPadding

Parameters
`pixels` | `int`: Horizontal padding for switch thumb text in pixels

### setThumbTintBlendMode

    public void setThumbTintBlendMode (BlendMode blendMode)

Specifies the blending mode used to apply the tint specified by `setThumbTintList(android.content.res.ColorStateList)`} to the thumb drawable. The default mode is `PorterDuff.Mode#SRC_IN`.

Related XML Attributes:

- android:thumbTintMode

Parameters
`blendMode` | `BlendMode`: the blending mode used to apply the tint, may be `null` to clear tint This value may be `null`.

See also:

- `getThumbTintMode()`
- `Drawable.setTintBlendMode(BlendMode)`

### setThumbTintList

    public void setThumbTintList (ColorStateList tint)

Applies a tint to the thumb drawable. Does not modify the current tint mode, which is `PorterDuff.Mode#SRC_IN` by default.

Subsequent calls to `setThumbDrawable(android.graphics.drawable.Drawable)` will automatically mutate the drawable and apply the specified tint and tint mode using `Drawable#setTintList(ColorStateList)`.

Related XML Attributes:

- android:thumbTint

Parameters
`tint` | `ColorStateList`: the tint to apply, may be `null` to clear tint This value may be `null`.

See also:

- `getThumbTintList()`
- `Drawable.setTintList(ColorStateList)`

### setThumbTintMode

    public void setThumbTintMode (PorterDuff.Mode tintMode)

Specifies the blending mode used to apply the tint specified by `setThumbTintList(android.content.res.ColorStateList)`} to the thumb drawable. The default mode is `PorterDuff.Mode#SRC_IN`.

Related XML Attributes:

- android:thumbTintMode

Parameters
`tintMode` | `PorterDuff.Mode`: the blending mode used to apply the tint, may be `null` to clear tint This value may be `null`.

See also:

- `getThumbTintMode()`
- `Drawable.setTintMode(PorterDuff.Mode)`

### setTrackDrawable

    public void setTrackDrawable (Drawable track)

Set the drawable used for the track that the switch slides within.

Related XML Attributes:

- android:track

Parameters
`track` | `Drawable`: Track drawable

### setTrackResource

    public void setTrackResource (int resId)

Set the drawable used for the track that the switch slides within.

Related XML Attributes:

- android:track

Parameters
`resId` | `int`: Resource ID of a track drawable

### setTrackTintBlendMode

    public void setTrackTintBlendMode (BlendMode blendMode)

Specifies the blending mode used to apply the tint specified by `setTrackTintList(android.content.res.ColorStateList)`} to the track drawable. The default mode is `BlendMode#SRC_IN`.

Related XML Attributes:

- android:trackTintMode

Parameters
`blendMode` | `BlendMode`: the blending mode used to apply the tint, may be `null` to clear tint This value may be `null`.

See also:

- `getTrackTintMode()`
- `Drawable.setTintBlendMode(BlendMode)`

### setTrackTintList

    public void setTrackTintList (ColorStateList tint)

Applies a tint to the track drawable. Does not modify the current tint mode, which is `PorterDuff.Mode#SRC_IN` by default.

Subsequent calls to `setTrackDrawable(android.graphics.drawable.Drawable)` will automatically mutate the drawable and apply the specified tint and tint mode using `Drawable#setTintList(ColorStateList)`.

Related XML Attributes:

- android:trackTint

Parameters
`tint` | `ColorStateList`: the tint to apply, may be `null` to clear tint This value may be `null`.

See also:

- `getTrackTintList()`
- `Drawable.setTintList(ColorStateList)`

### setTrackTintMode

    public void setTrackTintMode (PorterDuff.Mode tintMode)

Specifies the blending mode used to apply the tint specified by `setTrackTintList(android.content.res.ColorStateList)`} to the track drawable. The default mode is `PorterDuff.Mode#SRC_IN`.

Related XML Attributes:

- android:trackTintMode

Parameters
`tintMode` | `PorterDuff.Mode`: the blending mode used to apply the tint, may be `null` to clear tint This value may be `null`.

See also:

- `getTrackTintMode()`
- `Drawable.setTintMode(PorterDuff.Mode)`

### toggle

    public void toggle ()

Change the checked state of the view to the inverse of its current state

## Protected methods

### drawableStateChanged

    protected void drawableStateChanged ()

This function is called whenever the state of the view changes in such a way that it impacts the state of drawables being shown.

If the View has a StateListAnimator, it will also be called to run necessary state change animations.

Be sure to call through to the superclass when overriding this function.
If you override this method you must call through to the superclass implementation.

### onCreateDrawableState

    protected int[] onCreateDrawableState (int extraSpace)

Generate the new `Drawable` state for this view. This is called by the view system when the cached Drawable state is determined to be invalid. To retrieve the current state, you should use `getDrawableState()`.

Parameters
`extraSpace` | `int`: if non-zero, this is the number of extra entries you would like in the returned array in which you can place your own states.

Returns
`int[]` | Returns an array holding the current `Drawable` state of the view.

### onDraw

    protected void onDraw (Canvas canvas)

Implement this to do your drawing.

Parameters
`canvas` | `Canvas`: the canvas on which the background will be drawn

### onLayout

    protected void onLayout (boolean changed,
                    int left,
                    int top,
                    int right,
                    int bottom)

Called from layout when this view should assign a size and position to each of its children. Derived classes with children should override this method and call layout on each of their children.

Parameters
`changed` | `boolean`: This is a new size or position for this view
`left` | `int`: Left position, relative to parent
`top` | `int`: Top position, relative to parent
`right` | `int`: Right position, relative to parent
`bottom` | `int`: Bottom position, relative to parent

### verifyDrawable

    protected boolean verifyDrawable (Drawable who)

If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying. This allows animations for those drawables to be scheduled.

Be sure to call through to the super class when overriding this function.
If you override this method you must call through to the superclass implementation.

Parameters
`who` | `Drawable`: This value cannot be `null`.

Returns
`boolean` | boolean If true than the Drawable is being displayed in the view; else false and it is not allowed to animate.

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